772667605660 has 48 divisors (see below), whose sum is σ = 1706071116960. Its totient is φ = 293517584640.

The previous prime is 772667605651. The next prime is 772667605679. The reversal of 772667605660 is 66506766277.

It is a happy number.

It is a Smith number, since the sum of its digits (58) 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 (58).

It is a junction number, because it is equal to n+sod(n) for n = 772667605595 and 772667605604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10884174 + ... + 10954933.

It is an arithmetic number, because the mean of its divisors is an integer number (35543148270).

Almost surely, 2^772667605660 is an apocalyptic number.

It is an amenable number.

772667605660 is an abundant number, since it is smaller than the sum of its proper divisors (933403511300).

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

772667605660 is a wasteful number, since it uses less digits than its factorization.

772667605660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21839206 (or 21839204 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 58.

The spelling of 772667605660 in words is "seven hundred seventy-two billion, six hundred sixty-seven million, six hundred five thousand, six hundred sixty".