87620361 has 16 divisors (see below), whose sum is σ = 120766464. Its totient is φ = 56474384.

The previous prime is 87620359. The next prime is 87620387. The reversal of 87620361 is 16302678.

It is a cyclic number.

It is not a de Polignac number, because 87620361 - 2¹ = 87620359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87620341) 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, 7960 + ... + 15446.

It is an arithmetic number, because the mean of its divisors is an integer number (7547904).

Almost surely, 2^87620361 is an apocalyptic number.

It is an amenable number.

87620361 is a deficient number, since it is larger than the sum of its proper divisors (33146103).

87620361 is a wasteful number, since it uses less digits than its factorization.

87620361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 87620361 is about 9360.5748220929. The cubic root of 87620361 is about 444.1554676324.

The spelling of 87620361 in words is "eighty-seven million, six hundred twenty thousand, three hundred sixty-one".