85797000377 has 4 divisors (see below), whose sum is σ = 93596727696. Its totient is φ = 77997273060.

The previous prime is 85797000361. The next prime is 85797000379. The reversal of 85797000377 is 77300079758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85797000377 - 2⁴ = 85797000361 is a prime.

It is a super-2 number, since 2×85797000377² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85797000379) 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, 3899863643 + ... + 3899863664.

It is an arithmetic number, because the mean of its divisors is an integer number (23399181924).

Almost surely, 2^85797000377 is an apocalyptic number.

It is an amenable number.

85797000377 is a deficient number, since it is larger than the sum of its proper divisors (7799727319).

85797000377 is a wasteful number, since it uses less digits than its factorization.

85797000377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799727318.

The product of its (nonzero) digits is 2593080, while the sum is 53.

The spelling of 85797000377 in words is "eighty-five billion, seven hundred ninety-seven million, three hundred seventy-seven", and thus it is an aban number.