87916212 has 48 divisors (see below), whose sum is σ = 237847680. Its totient is φ = 28030464.

The previous prime is 87916207. The next prime is 87916237. The reversal of 87916212 is 21261978.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15213 + ... + 20180.

It is an arithmetic number, because the mean of its divisors is an integer number (4955160).

Almost surely, 2^87916212 is an apocalyptic number.

It is an amenable number.

87916212 is an abundant number, since it is smaller than the sum of its proper divisors (149931468).

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

87916212 is a wasteful number, since it uses less digits than its factorization.

87916212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35429 (or 35421 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 87916212 is about 9376.3645406949. The cubic root of 87916212 is about 444.6548044651.

The spelling of 87916212 in words is "eighty-seven million, nine hundred sixteen thousand, two hundred twelve".