85032797091 has 32 divisors (see below), whose sum is σ = 126320912640. Its totient is φ = 50443852800.

The previous prime is 85032797071. The next prime is 85032797117. The reversal of 85032797091 is 19079723058.

It is not a de Polignac number, because 85032797091 - 2⁶ = 85032797027 is a prime.

It is a super-2 number, since 2×85032797091² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85032797071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359931 + ... + 547371.

It is an arithmetic number, because the mean of its divisors is an integer number (3947528520).

Almost surely, 2^85032797091 is an apocalyptic number.

85032797091 is a deficient number, since it is larger than the sum of its proper divisors (41288115549).

85032797091 is a wasteful number, since it uses less digits than its factorization.

85032797091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187747.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 85032797091 in words is "eighty-five billion, thirty-two million, seven hundred ninety-seven thousand, ninety-one".