87078474 has 48 divisors (see below), whose sum is σ = 223067520. Its totient is φ = 24020640.

The previous prime is 87078449. The next prime is 87078479. The reversal of 87078474 is 47487078.

It is not an unprimeable number, because it can be changed into a prime (87078479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8262 + ... + 15569.

It is an arithmetic number, because the mean of its divisors is an integer number (4647240).

Almost surely, 2^87078474 is an apocalyptic number.

87078474 is an abundant number, since it is smaller than the sum of its proper divisors (135989046).

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

87078474 is a wasteful number, since it uses less digits than its factorization.

87078474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23875 (or 23872 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 87078474 is about 9331.5847528702. The cubic root of 87078474 is about 443.2379489644.

The spelling of 87078474 in words is "eighty-seven million, seventy-eight thousand, four hundred seventy-four".