977543425 has 12 divisors (see below), whose sum is σ = 1213268080. Its totient is φ = 781315920.

The previous prime is 977543423. The next prime is 977543431. The reversal of 977543425 is 524345779.

It is not a de Polignac number, because 977543425 - 2¹ = 977543423 is a prime.

It is a super-2 number, since 2×977543425² = 1911182295521461250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (977543423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10666 + ... + 45484.

Almost surely, 2^977543425 is an apocalyptic number.

It is an amenable number.

977543425 is a deficient number, since it is larger than the sum of its proper divisors (235724655).

977543425 is a wasteful number, since it uses less digits than its factorization.

977543425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35952 (or 35947 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 977543425 is about 31265.6908607502. The cubic root of 977543425 is about 992.4577322126.

The spelling of 977543425 in words is "nine hundred seventy-seven million, five hundred forty-three thousand, four hundred twenty-five".