677917152 has 72 divisors (see below), whose sum is σ = 2103093720. Its totient is φ = 205428480.

The previous prime is 677917147. The next prime is 677917193. The reversal of 677917152 is 251719776.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×677917152² = 919143329951582208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 677917098 and 677917107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103827 + ... + 110162.

It is an arithmetic number, because the mean of its divisors is an integer number (29209635).

Almost surely, 2^677917152 is an apocalyptic number.

It is an amenable number.

677917152 is an abundant number, since it is smaller than the sum of its proper divisors (1425176568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677917152 is a wasteful number, since it uses less digits than its factorization.

677917152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214016 (or 214005 counting only the distinct ones).

The product of its digits is 185220, while the sum is 45.

The square root of 677917152 is about 26036.8422048450. The cubic root of 677917152 is about 878.4671801068.

The spelling of 677917152 in words is "six hundred seventy-seven million, nine hundred seventeen thousand, one hundred fifty-two".