87615749059 has 2 divisors, whose sum is σ = 87615749060. Its totient is φ = 87615749058.

The previous prime is 87615749051. The next prime is 87615749107. The reversal of 87615749059 is 95094751678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87615749059 - 2³ = 87615749051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87615748988 and 87615749006.

It is not a weakly prime, because it can be changed into another prime (87615749051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43807874529 + 43807874530.

It is an arithmetic number, because the mean of its divisors is an integer number (43807874530).

Almost surely, 2^87615749059 is an apocalyptic number.

87615749059 is a deficient number, since it is larger than the sum of its proper divisors (1).

87615749059 is an equidigital number, since it uses as much as digits as its factorization.

87615749059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19051200, while the sum is 61.

The spelling of 87615749059 in words is "eighty-seven billion, six hundred fifteen million, seven hundred forty-nine thousand, fifty-nine".