87151386 has 32 divisors (see below), whose sum is σ = 201041280. Its totient is φ = 24670656.

The previous prime is 87151369. The next prime is 87151397. The reversal of 87151386 is 68315178.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4941 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (6282540).

Almost surely, 2^87151386 is an apocalyptic number.

87151386 is an abundant number, since it is smaller than the sum of its proper divisors (113889894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87151386 is a wasteful number, since it uses less digits than its factorization.

87151386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19158.

The product of its digits is 40320, while the sum is 39.

The square root of 87151386 is about 9335.4906673404. The cubic root of 87151386 is about 443.3616241894.

It can be divided in two parts, 8715 and 1386, that added together give a palindrome (10101).

The spelling of 87151386 in words is "eighty-seven million, one hundred fifty-one thousand, three hundred eighty-six".