677070681 has 32 divisors (see below), whose sum is σ = 1108224000. Its totient is φ = 366523920.

The previous prime is 677070671. The next prime is 677070683. The reversal of 677070681 is 186070776.

677070681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677070681 - 2¹⁸ = 676808537 is a prime.

It is a super-2 number, since 2×677070681² = 916849414139607522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677070683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2236 + ... + 36866.

It is an arithmetic number, because the mean of its divisors is an integer number (34632000).

Almost surely, 2^677070681 is an apocalyptic number.

It is an amenable number.

677070681 is a deficient number, since it is larger than the sum of its proper divisors (431153319).

677070681 is a wasteful number, since it uses less digits than its factorization.

677070681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34674 (or 34660 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 677070681 is about 26020.5818728175. The cubic root of 677070681 is about 878.1013995692.

The spelling of 677070681 in words is "six hundred seventy-seven million, seventy thousand, six hundred eighty-one".