87434870 has 16 divisors (see below), whose sum is σ = 158388048. Its totient is φ = 34750560.

The previous prime is 87434869. The next prime is 87434887. The reversal of 87434870 is 7843478.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26276 + ... + 29415.

It is an arithmetic number, because the mean of its divisors is an integer number (9899253).

Almost surely, 2^87434870 is an apocalyptic number.

87434870 is a deficient number, since it is larger than the sum of its proper divisors (70953178).

87434870 is a wasteful number, since it uses less digits than its factorization.

87434870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55855.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 87434870 is about 9350.6614739279. The cubic root of 87434870 is about 443.8418226964.

The spelling of 87434870 in words is "eighty-seven million, four hundred thirty-four thousand, eight hundred seventy".