785994881 has 16 divisors (see below), whose sum is σ = 952147584. Its totient is φ = 633394944.

The previous prime is 785994857. The next prime is 785994883. The reversal of 785994881 is 188499587.

It is not a de Polignac number, because 785994881 - 2¹⁴ = 785978497 is a prime.

It is a super-2 number, since 2×785994881² = 1235575905916408322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 785994881.

It is not an unprimeable number, because it can be changed into a prime (785994883) 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, 127046 + ... + 133088.

It is an arithmetic number, because the mean of its divisors is an integer number (59509224).

Almost surely, 2^785994881 is an apocalyptic number.

It is an amenable number.

785994881 is a deficient number, since it is larger than the sum of its proper divisors (166152703).

785994881 is a wasteful number, since it uses less digits than its factorization.

785994881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its digits is 5806080, while the sum is 59.

The square root of 785994881 is about 28035.6002432621. The cubic root of 785994881 is about 922.8686769472.

The spelling of 785994881 in words is "seven hundred eighty-five million, nine hundred ninety-four thousand, eight hundred eighty-one".