87158214537 has 16 divisors (see below), whose sum is σ = 116823755328. Its totient is φ = 57799811520.

The previous prime is 87158214511. The next prime is 87158214643. The reversal of 87158214537 is 73541285178.

It is not a de Polignac number, because 87158214537 - 2²³ = 87149825929 is a prime.

It is a super-2 number, since 2×87158214537² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87158214537.

It is not an unprimeable number, because it can be changed into a prime (87158214337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383898 + ... + 567180.

It is an arithmetic number, because the mean of its divisors is an integer number (7301484708).

Almost surely, 2^87158214537 is an apocalyptic number.

It is an amenable number.

87158214537 is a deficient number, since it is larger than the sum of its proper divisors (29665540791).

87158214537 is a wasteful number, since it uses less digits than its factorization.

87158214537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184120.

The product of its digits is 1881600, while the sum is 51.

The spelling of 87158214537 in words is "eighty-seven billion, one hundred fifty-eight million, two hundred fourteen thousand, five hundred thirty-seven".