85308926977 has 8 divisors (see below), whose sum is σ = 85693708800. Its totient is φ = 84924224304.

The previous prime is 85308926947. The next prime is 85308926981. The reversal of 85308926977 is 77962980358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85308926977 - 2²³ = 85300538369 is a prime.

It is a super-2 number, since 2×85308926977² (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 (85308926947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692899 + ... + 3715927.

It is an arithmetic number, because the mean of its divisors is an integer number (10711713600).

Almost surely, 2^85308926977 is an apocalyptic number.

It is an amenable number.

85308926977 is a deficient number, since it is larger than the sum of its proper divisors (384781823).

85308926977 is a wasteful number, since it uses less digits than its factorization.

85308926977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39575.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 85308926977 in words is "eighty-five billion, three hundred eight million, nine hundred twenty-six thousand, nine hundred seventy-seven".