87372635 has 24 divisors (see below), whose sum is σ = 123366240. Its totient is φ = 59224704.

The previous prime is 87372631. The next prime is 87372647. The reversal of 87372635 is 53627378.

It is not a de Polignac number, because 87372635 - 2² = 87372631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87372592 and 87372601.

It is not an unprimeable number, because it can be changed into a prime (87372631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19802 + ... + 23808.

It is an arithmetic number, because the mean of its divisors is an integer number (5140260).

Almost surely, 2^87372635 is an apocalyptic number.

87372635 is a deficient number, since it is larger than the sum of its proper divisors (35993605).

87372635 is a wasteful number, since it uses less digits than its factorization.

87372635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4108 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 87372635 is about 9347.3330421035. Note that the first 3 decimals coincide. The cubic root of 87372635 is about 443.7364907611.

The spelling of 87372635 in words is "eighty-seven million, three hundred seventy-two thousand, six hundred thirty-five".