87237357238 has 16 divisors (see below), whose sum is σ = 135417481344. Its totient is φ = 42105286080.

The previous prime is 87237357227. The next prime is 87237357241. The reversal of 87237357238 is 83275373278.

It is a super-2 number, since 2×87237357238² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1747495 + ... + 1796722.

It is an arithmetic number, because the mean of its divisors is an integer number (8463592584).

Almost surely, 2^87237357238 is an apocalyptic number.

87237357238 is a deficient number, since it is larger than the sum of its proper divisors (48180124106).

87237357238 is a wasteful number, since it uses less digits than its factorization.

87237357238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544647.

The product of its digits is 11854080, while the sum is 55.

The spelling of 87237357238 in words is "eighty-seven billion, two hundred thirty-seven million, three hundred fifty-seven thousand, two hundred thirty-eight".