87674138 has 16 divisors (see below), whose sum is σ = 136633344. Its totient is φ = 42148080.

The previous prime is 87674099. The next prime is 87674173. The reversal of 87674138 is 83147678.

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, 5231 + ... + 14237.

It is an arithmetic number, because the mean of its divisors is an integer number (8539584).

Almost surely, 2^87674138 is an apocalyptic number.

87674138 is a deficient number, since it is larger than the sum of its proper divisors (48959206).

87674138 is a wasteful number, since it uses less digits than its factorization.

87674138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197.

The product of its digits is 225792, while the sum is 44.

The square root of 87674138 is about 9363.4469080569. The cubic root of 87674138 is about 444.2463158608.

The spelling of 87674138 in words is "eighty-seven million, six hundred seventy-four thousand, one hundred thirty-eight".