87722976 has 48 divisors (see below), whose sum is σ = 251209728. Its totient is φ = 26582400.

The previous prime is 87722969. The next prime is 87722977. The reversal of 87722976 is 67922778.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87722977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40480 + ... + 42591.

It is an arithmetic number, because the mean of its divisors is an integer number (5233536).

Almost surely, 2^87722976 is an apocalyptic number.

It is an amenable number.

87722976 is an abundant number, since it is smaller than the sum of its proper divisors (163486752).

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

87722976 is a wasteful number, since it uses less digits than its factorization.

87722976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83095 (or 83087 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The square root of 87722976 is about 9366.0544521159. The cubic root of 87722976 is about 444.3287882021.

The spelling of 87722976 in words is "eighty-seven million, seven hundred twenty-two thousand, nine hundred seventy-six".