677354238 has 48 divisors (see below), whose sum is σ = 1660329216. Its totient is φ = 205257240.

The previous prime is 677354221. The next prime is 677354243. The reversal of 677354238 is 832453776.

677354238 is a `hidden beast` number, since 6 + 7 + 73 + 542 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 677354193 and 677354202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58006 + ... + 68697.

It is an arithmetic number, because the mean of its divisors is an integer number (34590192).

Almost surely, 2^677354238 is an apocalyptic number.

677354238 is an abundant number, since it is smaller than the sum of its proper divisors (982974978).

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

677354238 is a wasteful number, since it uses less digits than its factorization.

677354238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126731 (or 126719 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 677354238 is about 26026.0300084358. The cubic root of 677354238 is about 878.2239653290.

The spelling of 677354238 in words is "six hundred seventy-seven million, three hundred fifty-four thousand, two hundred thirty-eight".