87354631 has 8 divisors (see below), whose sum is σ = 107513504. Its totient is φ = 69115680.

The previous prime is 87354601. The next prime is 87354679. The reversal of 87354631 is 13645378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87354631 - 2⁷ = 87354503 is a prime.

It is a super-2 number, since 2×87354631² = 15261663114292322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87354601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479880 + ... + 480061.

It is an arithmetic number, because the mean of its divisors is an integer number (13439188).

Almost surely, 2^87354631 is an apocalyptic number.

87354631 is a deficient number, since it is larger than the sum of its proper divisors (20158873).

87354631 is a wasteful number, since it uses less digits than its factorization.

87354631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959961.

The product of its digits is 60480, while the sum is 37.

The square root of 87354631 is about 9346.3699370397. The cubic root of 87354631 is about 443.7060098957.

It can be divided in two parts, 8735 and 4631, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 87354631 in words is "eighty-seven million, three hundred fifty-four thousand, six hundred thirty-one".