87976734 has 64 divisors (see below), whose sum is σ = 193596480. Its totient is φ = 26542080.

The previous prime is 87976727. The next prime is 87976741. The reversal of 87976734 is 43767978.

It is an interprime number because it is at equal distance from previous prime (87976727) and next prime (87976741).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455742 + ... + 455934.

It is an arithmetic number, because the mean of its divisors is an integer number (3024945).

Almost surely, 2^87976734 is an apocalyptic number.

87976734 is an abundant number, since it is smaller than the sum of its proper divisors (105619746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87976734 is a wasteful number, since it uses less digits than its factorization.

87976734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its digits is 1778112, while the sum is 51.

The square root of 87976734 is about 9379.5913557041. The cubic root of 87976734 is about 444.7568153248.

It can be divided in two parts, 879767 and 34, that added together give a triangular number (879801 = T₁₃₂₆).

The spelling of 87976734 in words is "eighty-seven million, nine hundred seventy-six thousand, seven hundred thirty-four".