87166752 has 48 divisors (see below), whose sum is σ = 242276832. Its totient is φ = 27345920.

The previous prime is 87166741. The next prime is 87166753. The reversal of 87166752 is 25766178.

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

It is not an unprimeable number, because it can be changed into a prime (87166753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25074 + ... + 28337.

It is an arithmetic number, because the mean of its divisors is an integer number (5047434).

Almost surely, 2^87166752 is an apocalyptic number.

It is an amenable number.

87166752 is an abundant number, since it is smaller than the sum of its proper divisors (155110080).

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

87166752 is a wasteful number, since it uses less digits than its factorization.

87166752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53441 (or 53433 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 87166752 is about 9336.3136194110. The cubic root of 87166752 is about 443.3876795959.

The spelling of 87166752 in words is "eighty-seven million, one hundred sixty-six thousand, seven hundred fifty-two".