770673798 has 64 divisors (see below), whose sum is σ = 1746501120. Its totient is φ = 251846496.

The previous prime is 770673797. The next prime is 770673803. The reversal of 770673798 is 897376077.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770673791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1059711 + ... + 1060437.

It is an arithmetic number, because the mean of its divisors is an integer number (27289080).

Almost surely, 2^770673798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770673798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873250560).

770673798 is an abundant number, since it is smaller than the sum of its proper divisors (975827322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770673798 is a wasteful number, since it uses less digits than its factorization.

770673798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The square root of 770673798 is about 27761.0121933621. The cubic root of 770673798 is about 916.8329181802.

The spelling of 770673798 in words is "seven hundred seventy million, six hundred seventy-three thousand, seven hundred ninety-eight".