87361507 has 2 divisors, whose sum is σ = 87361508. Its totient is φ = 87361506.

The previous prime is 87361489. The next prime is 87361513. The reversal of 87361507 is 70516378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87361507 - 2²³ = 78972899 is a prime.

It is a super-2 number, since 2×87361507² = 15264065810622098, which contains 22 as substring.

It is equal to p_5072959 and since 87361507 and 5072959 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (87361537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43680753 + 43680754.

It is an arithmetic number, because the mean of its divisors is an integer number (43680754).

Almost surely, 2^87361507 is an apocalyptic number.

87361507 is a deficient number, since it is larger than the sum of its proper divisors (1).

87361507 is an equidigital number, since it uses as much as digits as its factorization.

87361507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 87361507 is about 9346.7377731484. The cubic root of 87361507 is about 443.7176514937.

The spelling of 87361507 in words is "eighty-seven million, three hundred sixty-one thousand, five hundred seven".