674780557467 has 16 divisors (see below), whose sum is σ = 929354147840. Its totient is φ = 435049833600.

The previous prime is 674780557453. The next prime is 674780557487. The reversal of 674780557467 is 764755087476.

It is not a de Polignac number, because 674780557467 - 2¹⁵ = 674780524699 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674780557398 and 674780557407.

It is not an unprimeable number, because it can be changed into a prime (674780557427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297959 + ... + 2574912.

It is an arithmetic number, because the mean of its divisors is an integer number (58084634240).

Almost surely, 2^674780557467 is an apocalyptic number.

674780557467 is a deficient number, since it is larger than the sum of its proper divisors (254573590373).

674780557467 is a wasteful number, since it uses less digits than its factorization.

674780557467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874394.

The product of its (nonzero) digits is 276595200, while the sum is 66.

The spelling of 674780557467 in words is "six hundred seventy-four billion, seven hundred eighty million, five hundred fifty-seven thousand, four hundred sixty-seven".