285679090761 has 16 divisors (see below), whose sum is σ = 400965902400. Its totient is φ = 180423142848.

The previous prime is 285679090703. The next prime is 285679090843. The reversal of 285679090761 is 167090976582.

It is not a de Polignac number, because 285679090761 - 2¹¹ = 285679088713 is a prime.

It is a super-2 number, since 2×285679090761² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 285679090695 and 285679090704.

It is not an unprimeable number, because it can be changed into a prime (285679090861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2380875 + ... + 2497983.

It is an arithmetic number, because the mean of its divisors is an integer number (25060368900).

Almost surely, 2^285679090761 is an apocalyptic number.

It is an amenable number.

285679090761 is a deficient number, since it is larger than the sum of its proper divisors (115286811639).

285679090761 is a wasteful number, since it uses less digits than its factorization.

285679090761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159928.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 285679090761 in words is "two hundred eighty-five billion, six hundred seventy-nine million, ninety thousand, seven hundred sixty-one".