977786879036 has 24 divisors (see below), whose sum is σ = 1867205617200. Its totient is φ = 444324396800.

The previous prime is 977786879033. The next prime is 977786879093. The reversal of 977786879036 is 630978687779.

It is a super-2 number, since 2×977786879036² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977786879033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945261 + ... + 3260388.

It is an arithmetic number, because the mean of its divisors is an integer number (77800234050).

Almost surely, 2^977786879036 is an apocalyptic number.

It is an amenable number.

977786879036 is a deficient number, since it is larger than the sum of its proper divisors (889418738164).

977786879036 is a wasteful number, since it uses less digits than its factorization.

977786879036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209245 (or 6209243 counting only the distinct ones).

The product of its (nonzero) digits is 1344252672, while the sum is 77.

The spelling of 977786879036 in words is "nine hundred seventy-seven billion, seven hundred eighty-six million, eight hundred seventy-nine thousand, thirty-six".