977986801 has 8 divisors (see below), whose sum is σ = 1068408000. Its totient is φ = 887817840.

The previous prime is 977986781. The next prime is 977986813. The reversal of 977986801 is 108689779.

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 977986801 - 2⁵ = 977986769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (977986501) 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, 54901 + ... + 70498.

It is an arithmetic number, because the mean of its divisors is an integer number (133551000).

Almost surely, 2^977986801 is an apocalyptic number.

It is an amenable number.

977986801 is a deficient number, since it is larger than the sum of its proper divisors (90421199).

977986801 is a wasteful number, since it uses less digits than its factorization.

977986801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126119.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The square root of 977986801 is about 31272.7805127718. The cubic root of 977986801 is about 992.6077563847.

It can be divided in two parts, 9779 and 86801, that added together give a triangular number (96580 = T₄₃₉).

The spelling of 977986801 in words is "nine hundred seventy-seven million, nine hundred eighty-six thousand, eight hundred one".