964777076234920 has 64 divisors (see below), whose sum is σ = 2337759519797520. Its totient is φ = 356220741924864.

The previous prime is 964777076234899. The next prime is 964777076234921. The reversal of 964777076234920 is 29432670777469.

It can be written as a sum of positive squares in 8 ways, for example, as 502581340642276 + 462195735592644 = 22418326^2 + 21498738^2 .

It is not an unprimeable number, because it can be changed into a prime (964777076234921) 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, 28003834 + ... + 52093846.

Almost surely, 2^{964777076234920} is an apocalyptic number.

It is an amenable number.

964777076234920 is an abundant number, since it is smaller than the sum of its proper divisors (1372982443562600).

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

964777076234920 is a wasteful number, since it uses less digits than its factorization.

964777076234920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24167054 (or 24167050 counting only the distinct ones).

The product of its (nonzero) digits is 1344252672, while the sum is 73.

The spelling of 964777076234920 in words is "nine hundred sixty-four trillion, seven hundred seventy-seven billion, seventy-six million, two hundred thirty-four thousand, nine hundred twenty".