85630964915 has 4 divisors (see below), whose sum is σ = 102757157904. Its totient is φ = 68504771928.

The previous prime is 85630964857. The next prime is 85630964917. The reversal of 85630964915 is 51946903658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85630964915 - 2⁶ = 85630964851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85630964917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8563096487 + ... + 8563096496.

It is an arithmetic number, because the mean of its divisors is an integer number (25689289476).

Almost surely, 2^85630964915 is an apocalyptic number.

85630964915 is a deficient number, since it is larger than the sum of its proper divisors (17126192989).

85630964915 is a wasteful number, since it uses less digits than its factorization.

85630964915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17126192988.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 85630964915 in words is "eighty-five billion, six hundred thirty million, nine hundred sixty-four thousand, nine hundred fifteen".