87264402 has 8 divisors (see below), whose sum is σ = 174528816. Its totient is φ = 29088132.

The previous prime is 87264391. The next prime is 87264409. The reversal of 87264402 is 20446278.

It is a sphenic number, since it is the product of 3 distinct primes.

87264402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (87264409) 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, 7272028 + ... + 7272039.

It is an arithmetic number, because the mean of its divisors is an integer number (21816102).

Almost surely, 2^87264402 is an apocalyptic number.

87264402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87264402 is a wasteful number, since it uses less digits than its factorization.

87264402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14544072.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 87264402 is about 9341.5417357094. The cubic root of 87264402 is about 443.5531886078.

The spelling of 87264402 in words is "eighty-seven million, two hundred sixty-four thousand, four hundred two".