766475456620 has 48 divisors (see below), whose sum is σ = 1636270272000. Its totient is φ = 301511589120.

The previous prime is 766475456603. The next prime is 766475456623. The reversal of 766475456620 is 26654574667.

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 not an unprimeable number, because it can be changed into a prime (766475456623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7364706 + ... + 7468054.

It is an arithmetic number, because the mean of its divisors is an integer number (34088964000).

Almost surely, 2^766475456620 is an apocalyptic number.

It is an amenable number.

766475456620 is an abundant number, since it is smaller than the sum of its proper divisors (869794815380).

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

766475456620 is a wasteful number, since it uses less digits than its factorization.

766475456620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109498 (or 109496 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 58.

The spelling of 766475456620 in words is "seven hundred sixty-six billion, four hundred seventy-five million, four hundred fifty-six thousand, six hundred twenty".