85006481679 has 24 divisors (see below), whose sum is σ = 140343582080. Its totient is φ = 48569794128.

The previous prime is 85006481671. The next prime is 85006481713. The reversal of 85006481679 is 97618460058.

85006481679 is a `hidden beast` number, since 8 + 500 + 64 + 8 + 1 + 6 + 79 = 666.

It is not a de Polignac number, because 85006481679 - 2³ = 85006481671 is a prime.

It is a super-2 number, since 2×85006481679² (a number of 23 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 (85006481671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544284 + ... + 682830.

Almost surely, 2^85006481679 is an apocalyptic number.

85006481679 is a deficient number, since it is larger than the sum of its proper divisors (55337100401).

85006481679 is a wasteful number, since it uses less digits than its factorization.

85006481679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148299 (or 148296 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 85006481679 in words is "eighty-five billion, six million, four hundred eighty-one thousand, six hundred seventy-nine".