977746861271 has 8 divisors (see below), whose sum is σ = 978851851680. Its totient is φ = 976642466688.

The previous prime is 977746861249. The next prime is 977746861297. The reversal of 977746861271 is 172168647779.

977746861271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 977746861271 - 2³⁰ = 976673119447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 977746861198 and 977746861207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977749861271) 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, 3176675 + ... + 3470843.

It is an arithmetic number, because the mean of its divisors is an integer number (122356481460).

Almost surely, 2^977746861271 is an apocalyptic number.

977746861271 is a deficient number, since it is larger than the sum of its proper divisors (1104990409).

977746861271 is a wasteful number, since it uses less digits than its factorization.

977746861271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297913.

The product of its digits is 49787136, while the sum is 65.

The spelling of 977746861271 in words is "nine hundred seventy-seven billion, seven hundred forty-six million, eight hundred sixty-one thousand, two hundred seventy-one".