677579233 has 2 divisors, whose sum is σ = 677579234. Its totient is φ = 677579232.

The previous prime is 677579219. The next prime is 677579249. The reversal of 677579233 is 332975776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447237904 + 230341329 = 21148^2 + 15177^2 .

It is a cyclic number.

It is not a de Polignac number, because 677579233 - 2²¹ = 675482081 is a prime.

It is a super-2 number, since 2×677579233² = 918227233985736578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (677579933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338789616 + 338789617.

It is an arithmetic number, because the mean of its divisors is an integer number (338789617).

Almost surely, 2^677579233 is an apocalyptic number.

It is an amenable number.

677579233 is a deficient number, since it is larger than the sum of its proper divisors (1).

677579233 is an equidigital number, since it uses as much as digits as its factorization.

677579233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 49.

The square root of 677579233 is about 26030.3521489818. The cubic root of 677579233 is about 878.3211936899.

The spelling of 677579233 in words is "six hundred seventy-seven million, five hundred seventy-nine thousand, two hundred thirty-three".