679462877 has 2 divisors, whose sum is σ = 679462878. Its totient is φ = 679462876.

The previous prime is 679462841. The next prime is 679462891. The reversal of 679462877 is 778264976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 658127716 + 21335161 = 25654^2 + 4619^2 .

It is a cyclic number.

It is not a de Polignac number, because 679462877 - 2⁶ = 679462813 is a prime.

It is a super-2 number, since 2×679462877² = 923339602442234258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679462897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339731438 + 339731439.

It is an arithmetic number, because the mean of its divisors is an integer number (339731439).

Almost surely, 2^679462877 is an apocalyptic number.

It is an amenable number.

679462877 is a deficient number, since it is larger than the sum of its proper divisors (1).

679462877 is an equidigital number, since it uses as much as digits as its factorization.

679462877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7112448, while the sum is 56.

The square root of 679462877 is about 26066.5087228804. The cubic root of 679462877 is about 879.1343402722.

The spelling of 679462877 in words is "six hundred seventy-nine million, four hundred sixty-two thousand, eight hundred seventy-seven".