87801084 has 60 divisors (see below), whose sum is σ = 262326064. Its totient is φ = 25085376.

The previous prime is 87801061. The next prime is 87801089. The reversal of 87801084 is 48010878.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87801089) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17089 + ... + 21624.

Almost surely, 2^87801084 is an apocalyptic number.

87801084 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87801084 is an abundant number, since it is smaller than the sum of its proper divisors (174524980).

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

87801084 is a wasteful number, since it uses less digits than its factorization.

87801084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38736 (or 38725 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 87801084 is about 9370.2232630818. The cubic root of 87801084 is about 444.4606249572.

The spelling of 87801084 in words is "eighty-seven million, eight hundred one thousand, eighty-four".