274979628167 has 2 divisors, whose sum is σ = 274979628168. Its totient is φ = 274979628166.

The previous prime is 274979628151. The next prime is 274979628307. The reversal of 274979628167 is 761826979472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274979628167 - 2⁴ = 274979628151 is a prime.

It is a super-2 number, since 2×274979628167² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 274979628097 and 274979628106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274979628137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137489814083 + 137489814084.

It is an arithmetic number, because the mean of its divisors is an integer number (137489814084).

Almost surely, 2^274979628167 is an apocalyptic number.

274979628167 is a deficient number, since it is larger than the sum of its proper divisors (1).

274979628167 is an equidigital number, since it uses as much as digits as its factorization.

274979628167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128024064, while the sum is 68.

The spelling of 274979628167 in words is "two hundred seventy-four billion, nine hundred seventy-nine million, six hundred twenty-eight thousand, one hundred sixty-seven".