87074571 has 4 divisors (see below), whose sum is σ = 116099432. Its totient is φ = 58049712.

The previous prime is 87074563. The next prime is 87074599. The reversal of 87074571 is 17547078.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 87074571 - 2³ = 87074563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87074551) 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, 14512426 + ... + 14512431.

It is an arithmetic number, because the mean of its divisors is an integer number (29024858).

Almost surely, 2^87074571 is an apocalyptic number.

87074571 is a deficient number, since it is larger than the sum of its proper divisors (29024861).

87074571 is a wasteful number, since it uses less digits than its factorization.

87074571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29024860.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 87074571 is about 9331.3756220613. The cubic root of 87074571 is about 443.2313266482.

The spelling of 87074571 in words is "eighty-seven million, seventy-four thousand, five hundred seventy-one".