770102100 has 144 divisors (see below), whose sum is σ = 2583584640. Its totient is φ = 196416000.

The previous prime is 770102089. The next prime is 770102101. The reversal of 770102100 is 1201077.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770102101) 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 47 ways as a sum of consecutive naturals, for example, 55900 + ... + 68300.

It is an arithmetic number, because the mean of its divisors is an integer number (17941560).

Almost surely, 2^770102100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291792320).

770102100 is an abundant number, since it is smaller than the sum of its proper divisors (1813482540).

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

770102100 is a wasteful number, since it uses less digits than its factorization.

770102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447 (or 12434 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 770102100 is about 27750.7135043407. The cubic root of 770102100 is about 916.6061550505.

Adding to 770102100 its reverse (1201077), we get a palindrome (771303177).

The spelling of 770102100 in words is "seven hundred seventy million, one hundred two thousand, one hundred".