977674561 has 8 divisors (see below), whose sum is σ = 1003532544. Its totient is φ = 951912480.

The previous prime is 977674553. The next prime is 977674571. The reversal of 977674561 is 165476779.

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 977674561 - 2³ = 977674553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 977674499 and 977674508.

It is not an unprimeable number, because it can be changed into a prime (977674541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3081 + ... + 44326.

It is an arithmetic number, because the mean of its divisors is an integer number (125441568).

Almost surely, 2^977674561 is an apocalyptic number.

It is an amenable number.

977674561 is a deficient number, since it is larger than the sum of its proper divisors (25857983).

977674561 is a wasteful number, since it uses less digits than its factorization.

977674561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47951.

The product of its digits is 2222640, while the sum is 52.

The square root of 977674561 is about 31267.7879134422. The cubic root of 977674561 is about 992.5021091390.

The spelling of 977674561 in words is "nine hundred seventy-seven million, six hundred seventy-four thousand, five hundred sixty-one".