677098438 has 16 divisors (see below), whose sum is σ = 1056188160. Its totient is φ = 325158400.

The previous prime is 677098399. The next prime is 677098439. The reversal of 677098438 is 834890776.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677098439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19483 + ... + 41638.

It is an arithmetic number, because the mean of its divisors is an integer number (66011760).

Almost surely, 2^677098438 is an apocalyptic number.

677098438 is a deficient number, since it is larger than the sum of its proper divisors (379089722).

677098438 is a wasteful number, since it uses less digits than its factorization.

677098438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61343.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 677098438 is about 26021.1152335944. The cubic root of 677098438 is about 878.1133988716.

The spelling of 677098438 in words is "six hundred seventy-seven million, ninety-eight thousand, four hundred thirty-eight".