86972098 has 4 divisors (see below), whose sum is σ = 130458150. Its totient is φ = 43486048.

The previous prime is 86972087. The next prime is 86972107. The reversal of 86972098 is 89027968.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55308969 + 31663129 = 7437^2 + 5627^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21743023 + ... + 21743026.

Almost surely, 2^86972098 is an apocalyptic number.

86972098 is a deficient number, since it is larger than the sum of its proper divisors (43486052).

86972098 is a wasteful number, since it uses less digits than its factorization.

86972098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43486051.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 86972098 is about 9325.8832289494. The cubic root of 86972098 is about 443.0573873379.

The spelling of 86972098 in words is "eighty-six million, nine hundred seventy-two thousand, ninety-eight".