977055806553 has 8 divisors (see below), whose sum is σ = 1302767362848. Its totient is φ = 651357393984.

The previous prime is 977055806549. The next prime is 977055806581. The reversal of 977055806553 is 355608550779.

977055806553 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 not a de Polignac number, because 977055806553 - 2² = 977055806549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (977055806593) 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, 3111151 + ... + 3410772.

It is an arithmetic number, because the mean of its divisors is an integer number (162845920356).

Almost surely, 2^977055806553 is an apocalyptic number.

It is an amenable number.

977055806553 is a deficient number, since it is larger than the sum of its proper divisors (325711556295).

977055806553 is a wasteful number, since it uses less digits than its factorization.

977055806553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571863.

The product of its (nonzero) digits is 39690000, while the sum is 60.

The spelling of 977055806553 in words is "nine hundred seventy-seven billion, fifty-five million, eight hundred six thousand, five hundred fifty-three".