87994080 has 96 divisors (see below), whose sum is σ = 307994400. Its totient is φ = 23463936.

The previous prime is 87994079. The next prime is 87994087. The reversal of 87994080 is 8049978.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87994087) 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, 5865 + ... + 14504.

It is an arithmetic number, because the mean of its divisors is an integer number (3208275).

Almost surely, 2^87994080 is an apocalyptic number.

87994080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87994080 is an abundant number, since it is smaller than the sum of its proper divisors (220000320).

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

87994080 is a wasteful number, since it uses less digits than its factorization.

87994080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20393 (or 20379 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 87994080 is about 9380.5159772797. The cubic root of 87994080 is about 444.7860436765.

The spelling of 87994080 in words is "eighty-seven million, nine hundred ninety-four thousand, eighty".