87937039 has 4 divisors (see below), whose sum is σ = 93109824. Its totient is φ = 82764256.

The previous prime is 87937007. The next prime is 87937043. The reversal of 87937039 is 93073978.

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

It is a cyclic number.

It is not a de Polignac number, because 87937039 - 2⁵ = 87937007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87937039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87937079) 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, 2586367 + ... + 2586400.

It is an arithmetic number, because the mean of its divisors is an integer number (23277456).

Almost surely, 2^87937039 is an apocalyptic number.

87937039 is a deficient number, since it is larger than the sum of its proper divisors (5172785).

87937039 is a wasteful number, since it uses less digits than its factorization.

87937039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172784.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 87937039 is about 9377.4750866105. The cubic root of 87937039 is about 444.6899140094.

The spelling of 87937039 in words is "eighty-seven million, nine hundred thirty-seven thousand, thirty-nine".