977412697 has 8 divisors (see below), whose sum is σ = 999413640. Its totient is φ = 955543680.

The previous prime is 977412677. The next prime is 977412707. The reversal of 977412697 is 796214779.

It can be written as a sum of positive squares in 4 ways, for example, as 293642496 + 683770201 = 17136^2 + 26149^2 .

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 977412697 - 2²⁷ = 843194969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977412647) 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, 17922 + ... + 47707.

It is an arithmetic number, because the mean of its divisors is an integer number (124926705).

Almost surely, 2^977412697 is an apocalyptic number.

It is an amenable number.

977412697 is a deficient number, since it is larger than the sum of its proper divisors (22000943).

977412697 is a wasteful number, since it uses less digits than its factorization.

977412697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65963.

The product of its digits is 1333584, while the sum is 52.

The square root of 977412697 is about 31263.6001925562. The cubic root of 977412697 is about 992.4134894046.

The spelling of 977412697 in words is "nine hundred seventy-seven million, four hundred twelve thousand, six hundred ninety-seven".