885088929797 has 4 divisors (see below), whose sum is σ = 886093571916. Its totient is φ = 884084287680.

The previous prime is 885088929761. The next prime is 885088929817. The reversal of 885088929797 is 797929880588.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41044328836 + 844044600961 = 202594^2 + 918719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-885088929797 is a prime.

It is a super-2 number, since 2×885088929797² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885088929997) 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, 502319738 + ... + 502321499.

It is an arithmetic number, because the mean of its divisors is an integer number (221523392979).

Almost surely, 2^885088929797 is an apocalyptic number.

It is an amenable number.

885088929797 is a deficient number, since it is larger than the sum of its proper divisors (1004642119).

885088929797 is a wasteful number, since it uses less digits than its factorization.

885088929797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004642118.

The product of its (nonzero) digits is 1463132160, while the sum is 80.

The spelling of 885088929797 in words is "eight hundred eighty-five billion, eighty-eight million, nine hundred twenty-nine thousand, seven hundred ninety-seven".