87407438 has 16 divisors (see below), whose sum is σ = 141179760. Its totient is φ = 40434816.

The previous prime is 87407351. The next prime is 87407447. The reversal of 87407438 is 83470478.

It is a junction number, because it is equal to n+sod(n) for n = 87407395 and 87407404.

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, 19781 + ... + 23792.

It is an arithmetic number, because the mean of its divisors is an integer number (8823735).

Almost surely, 2^87407438 is an apocalyptic number.

87407438 is a deficient number, since it is larger than the sum of its proper divisors (53772322).

87407438 is a wasteful number, since it uses less digits than its factorization.

87407438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43651.

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

The square root of 87407438 is about 9349.1945107587. The cubic root of 87407438 is about 443.7954005522.

The spelling of 87407438 in words is "eighty-seven million, four hundred seven thousand, four hundred thirty-eight".