85032798577 has 16 divisors (see below), whose sum is σ = 91116668160. Its totient is φ = 79157548800.

The previous prime is 85032798563. The next prime is 85032798583. The reversal of 85032798577 is 77589723058.

It is a cyclic number.

It is not a de Polignac number, because 85032798577 - 2¹¹ = 85032796529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85032798547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275452 + ... + 495922.

It is an arithmetic number, because the mean of its divisors is an integer number (5694791760).

Almost surely, 2^85032798577 is an apocalyptic number.

It is an amenable number.

85032798577 is a deficient number, since it is larger than the sum of its proper divisors (6083869583).

85032798577 is a wasteful number, since it uses less digits than its factorization.

85032798577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220944.

The product of its (nonzero) digits is 29635200, while the sum is 61.

The spelling of 85032798577 in words is "eighty-five billion, thirty-two million, seven hundred ninety-eight thousand, five hundred seventy-seven".