87690350579 has 16 divisors (see below), whose sum is σ = 94775655744. Its totient is φ = 80654131200.

The previous prime is 87690350519. The next prime is 87690350621. The reversal of 87690350579 is 97505309678.

It is a cyclic number.

It is not a de Polignac number, because 87690350579 - 2¹⁶ = 87690285043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87690350519) 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 in 15 ways as a sum of consecutive naturals, for example, 4181039 + ... + 4201959.

It is an arithmetic number, because the mean of its divisors is an integer number (5923478484).

Almost surely, 2^87690350579 is an apocalyptic number.

87690350579 is a deficient number, since it is larger than the sum of its proper divisors (7085305165).

87690350579 is a wasteful number, since it uses less digits than its factorization.

87690350579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22078.

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 87690350579 in words is "eighty-seven billion, six hundred ninety million, three hundred fifty thousand, five hundred seventy-nine".