87539367 has 4 divisors (see below), whose sum is σ = 116719160. Its totient is φ = 58359576.

The previous prime is 87539363. The next prime is 87539369. The reversal of 87539367 is 76393578.

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

It is not a de Polignac number, because 87539367 - 2² = 87539363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87539363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14589892 + ... + 14589897.

It is an arithmetic number, because the mean of its divisors is an integer number (29179790).

Almost surely, 2^87539367 is an apocalyptic number.

87539367 is a deficient number, since it is larger than the sum of its proper divisors (29179793).

87539367 is a wasteful number, since it uses less digits than its factorization.

87539367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29179792.

The product of its digits is 952560, while the sum is 48.

The square root of 87539367 is about 9356.2474849696. The cubic root of 87539367 is about 444.0185701591.

The spelling of 87539367 in words is "eighty-seven million, five hundred thirty-nine thousand, three hundred sixty-seven".