677591901 has 24 divisors (see below), whose sum is σ = 1122750720. Its totient is φ = 385746336.

The previous prime is 677591897. The next prime is 677591911. The reversal of 677591901 is 109195776.

It is not a de Polignac number, because 677591901 - 2² = 677591897 is a prime.

It is a super-3 number, since 3×677591901³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677591911) 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, 3045 + ... + 36938.

It is an arithmetic number, because the mean of its divisors is an integer number (46781280).

Almost surely, 2^677591901 is an apocalyptic number.

It is an amenable number.

677591901 is a deficient number, since it is larger than the sum of its proper divisors (445158819).

677591901 is a wasteful number, since it uses less digits than its factorization.

677591901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40265 (or 40262 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The square root of 677591901 is about 26030.5954791664. The cubic root of 677591901 is about 878.3266673442.

The spelling of 677591901 in words is "six hundred seventy-seven million, five hundred ninety-one thousand, nine hundred one".