86992425 has 36 divisors (see below), whose sum is σ = 167804364. Its totient is φ = 42825600.

The previous prime is 86992387. The next prime is 86992429. The reversal of 86992425 is 52429968.

It can be written as a sum of positive squares in 6 ways, for example, as 1115136 + 85877289 = 1056^2 + 9267^2 .

It is not a de Polignac number, because 86992425 - 2⁹ = 86991913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (86992429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11946 + ... + 17795.

Almost surely, 2^86992425 is an apocalyptic number.

It is an amenable number.

86992425 is a deficient number, since it is larger than the sum of its proper divisors (80811939).

86992425 is a wasteful number, since it uses less digits than its factorization.

86992425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29770 (or 29762 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 86992425 is about 9326.9729816270. The cubic root of 86992425 is about 443.0919015717.

The spelling of 86992425 in words is "eighty-six million, nine hundred ninety-two thousand, four hundred twenty-five".