87356380 has 12 divisors (see below), whose sum is σ = 183448440. Its totient is φ = 34942544.

The previous prime is 87356377. The next prime is 87356389. The reversal of 87356380 is 8365378.

It is a super-2 number, since 2×87356380² = 15262274253408800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87356389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183890 + ... + 2183929.

It is an arithmetic number, because the mean of its divisors is an integer number (15287370).

Almost surely, 2^87356380 is an apocalyptic number.

It is an amenable number.

87356380 is an abundant number, since it is smaller than the sum of its proper divisors (96092060).

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

87356380 is a wasteful number, since it uses less digits than its factorization.

87356380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367828 (or 4367826 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 87356380 is about 9346.4635023093. The cubic root of 87356380 is about 443.7089711454.

The spelling of 87356380 in words is "eighty-seven million, three hundred fifty-six thousand, three hundred eighty".