677576641083564 has 12 divisors (see below), whose sum is σ = 1581012162528344. Its totient is φ = 225858880361184.

The previous prime is 677576641083557. The next prime is 677576641083599. The reversal of 677576641083564 is 465380146675776.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×677576641083564² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28232360045137 + ... + 28232360045160.

Almost surely, 2^{677576641083564} is an apocalyptic number.

It is an amenable number.

677576641083564 is an abundant number, since it is smaller than the sum of its proper divisors (903435521444780).

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

677576641083564 is a wasteful number, since it uses less digits than its factorization.

677576641083564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56464720090304 (or 56464720090302 counting only the distinct ones).

The product of its (nonzero) digits is 4267468800, while the sum is 75.

The spelling of 677576641083564 in words is "six hundred seventy-seven trillion, five hundred seventy-six billion, six hundred forty-one million, eighty-three thousand, five hundred sixty-four".