87404834 has 24 divisors (see below), whose sum is σ = 146168064. Its totient is φ = 39162200.

The previous prime is 87404831. The next prime is 87404839. The reversal of 87404834 is 43840478.

It is not an unprimeable number, because it can be changed into a prime (87404831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14639 + ... + 19725.

It is an arithmetic number, because the mean of its divisors is an integer number (6090336).

Almost surely, 2^87404834 is an apocalyptic number.

87404834 is a deficient number, since it is larger than the sum of its proper divisors (58763230).

87404834 is a wasteful number, since it uses less digits than its factorization.

87404834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182 (or 5171 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 87404834 is about 9349.0552463872. The cubic root of 87404834 is about 443.7909933960.

The spelling of 87404834 in words is "eighty-seven million, four hundred four thousand, eight hundred thirty-four".