87137005100737 has 4 divisors (see below), whose sum is σ = 87207905838420. Its totient is φ = 87066104363056.

The previous prime is 87137005100713. The next prime is 87137005100791. The reversal of 87137005100737 is 73700150073178.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74195207504896 + 12941797595841 = 8613664^2 + 3597471^2 .

It is a cyclic number.

It is not a de Polignac number, because 87137005100737 - 2³⁹ = 86587249286849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87137005100437) 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, 35450366998 + ... + 35450369455.

It is an arithmetic number, because the mean of its divisors is an integer number (21801976459605).

Almost surely, 2^{87137005100737} is an apocalyptic number.

It is an amenable number.

87137005100737 is a deficient number, since it is larger than the sum of its proper divisors (70900737683).

87137005100737 is a wasteful number, since it uses less digits than its factorization.

87137005100737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70900737682.

The product of its (nonzero) digits is 864360, while the sum is 49.

The spelling of 87137005100737 in words is "eighty-seven trillion, one hundred thirty-seven billion, five million, one hundred thousand, seven hundred thirty-seven".