87881262 has 32 divisors (see below), whose sum is σ = 212689152. Its totient is φ = 23631744.

The previous prime is 87881257. The next prime is 87881273. The reversal of 87881262 is 26218878.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60828 + ... + 62255.

It is an arithmetic number, because the mean of its divisors is an integer number (6646536).

Almost surely, 2^87881262 is an apocalyptic number.

87881262 is an abundant number, since it is smaller than the sum of its proper divisors (124807890).

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

87881262 is a wasteful number, since it uses less digits than its factorization.

87881262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123112.

The product of its digits is 86016, while the sum is 42.

The square root of 87881262 is about 9374.5006267001. The cubic root of 87881262 is about 444.5958743207.

The spelling of 87881262 in words is "eighty-seven million, eight hundred eighty-one thousand, two hundred sixty-two".