977115025 has 6 divisors (see below), whose sum is σ = 1211622662. Its totient is φ = 781692000.

The previous prime is 977114969. The next prime is 977115037. The reversal of 977115025 is 520511779.

It can be written as a sum of positive squares in 3 ways, for example, as 9096256 + 968018769 = 3016^2 + 31113^2 .

It is not a de Polignac number, because 977115025 - 2¹¹ = 977112977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19542276 + ... + 19542325.

Almost surely, 2^977115025 is an apocalyptic number.

It is an amenable number.

977115025 is a deficient number, since it is larger than the sum of its proper divisors (234507637).

977115025 is a wasteful number, since it uses less digits than its factorization.

977115025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39084611 (or 39084606 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 977115025 is about 31258.8391499109. The cubic root of 977115025 is about 992.3127323399.

The spelling of 977115025 in words is "nine hundred seventy-seven million, one hundred fifteen thousand, twenty-five".