77000770 has 48 divisors (see below), whose sum is σ = 174129984. Its totient is φ = 23997600.

The previous prime is 77000719. The next prime is 77000779. The reversal of 77000770 is 7700077.

It is not an unprimeable number, because it can be changed into a prime (77000779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3925 + ... + 13015.

It is an arithmetic number, because the mean of its divisors is an integer number (3627708).

Almost surely, 2^77000770 is an apocalyptic number.

77000770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77000770 is an abundant number, since it is smaller than the sum of its proper divisors (97129214).

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

77000770 is a wasteful number, since it uses less digits than its factorization.

77000770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127 (or 9116 counting only the distinct ones).

The product of its (nonzero) digits is 2401, while the sum is 28.

The square root of 77000770 is about 8775.0082621044. The cubic root of 77000770 is about 425.4335046137.

It can be divided in two parts, 770007 and 70, that added together give a palindrome (770077).

The spelling of 77000770 in words is "seventy-seven million, seven hundred seventy", and thus it is an aban number.