87304797 has 12 divisors (see below), whose sum is σ = 130777920. Its totient is φ = 58203036.

The previous prime is 87304787. The next prime is 87304799. The reversal of 87304797 is 79740378.

It is not a de Polignac number, because 87304797 - 2⁴ = 87304781 is a prime.

It is a super-2 number, since 2×87304797² = 15244255158422418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87304799) 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 11 ways as a sum of consecutive naturals, for example, 179397 + ... + 179882.

It is an arithmetic number, because the mean of its divisors is an integer number (10898160).

Almost surely, 2^87304797 is an apocalyptic number.

It is an amenable number.

87304797 is a deficient number, since it is larger than the sum of its proper divisors (43473123).

87304797 is an equidigital number, since it uses as much as digits as its factorization.

87304797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359294 (or 359282 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 87304797 is about 9343.7036018915. The cubic root of 87304797 is about 443.6216188294.

The spelling of 87304797 in words is "eighty-seven million, three hundred four thousand, seven hundred ninety-seven".