770470521020 has 24 divisors (see below), whose sum is σ = 1621591650000. Its totient is φ = 307501816832.

The previous prime is 770470521013. The next prime is 770470521031. The reversal of 770470521020 is 20125074077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42890270 + ... + 42908229.

It is an arithmetic number, because the mean of its divisors is an integer number (67566318750).

Almost surely, 2^770470521020 is an apocalyptic number.

It is an amenable number.

770470521020 is an abundant number, since it is smaller than the sum of its proper divisors (851121128980).

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

770470521020 is a wasteful number, since it uses less digits than its factorization.

770470521020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85798957 (or 85798955 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

Adding to 770470521020 its reverse (20125074077), we get a palindrome (790595595097).

The spelling of 770470521020 in words is "seven hundred seventy billion, four hundred seventy million, five hundred twenty-one thousand, twenty".