87674137 has 16 divisors (see below), whose sum is σ = 94618368. Its totient is φ = 81040960.

The previous prime is 87674099. The next prime is 87674173. The reversal of 87674137 is 73147678.

It is not a de Polignac number, because 87674137 - 2⁷ = 87674009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87674093 and 87674102.

It is not an unprimeable number, because it can be changed into a prime (87674537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86043 + ... + 87055.

It is an arithmetic number, because the mean of its divisors is an integer number (5913648).

Almost surely, 2^87674137 is an apocalyptic number.

It is an amenable number.

87674137 is a deficient number, since it is larger than the sum of its proper divisors (6944231).

87674137 is a wasteful number, since it uses less digits than its factorization.

87674137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its digits is 197568, while the sum is 43.

The square root of 87674137 is about 9363.4468546577. The cubic root of 87674137 is about 444.2463141718.

The spelling of 87674137 in words is "eighty-seven million, six hundred seventy-four thousand, one hundred thirty-seven".