87147402 has 8 divisors (see below), whose sum is σ = 174294816. Its totient is φ = 29049132.

The previous prime is 87147383. The next prime is 87147449. The reversal of 87147402 is 20474178.

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

87147402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7262278 + ... + 7262289.

It is an arithmetic number, because the mean of its divisors is an integer number (21786852).

Almost surely, 2^87147402 is an apocalyptic number.

87147402 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.

87147402 is a wasteful number, since it uses less digits than its factorization.

87147402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14524572.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 87147402 is about 9335.2772856515. The cubic root of 87147402 is about 443.3548682073.

The spelling of 87147402 in words is "eighty-seven million, one hundred forty-seven thousand, four hundred two".