677703731 has 2 divisors, whose sum is σ = 677703732. Its totient is φ = 677703730.

The previous prime is 677703713. The next prime is 677703743. The reversal of 677703731 is 137307776.

Together with previous prime (677703713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677703731 - 2¹⁴ = 677687347 is a prime.

It is a super-2 number, since 2×677703731² = 918564694022640722, which contains 22 as substring.

It is equal to p_35156984 and since 677703731 and 35156984 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (677703751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338851865 + 338851866.

It is an arithmetic number, because the mean of its divisors is an integer number (338851866).

Almost surely, 2^677703731 is an apocalyptic number.

677703731 is a deficient number, since it is larger than the sum of its proper divisors (1).

677703731 is an equidigital number, since it uses as much as digits as its factorization.

677703731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129654, while the sum is 41.

The square root of 677703731 is about 26032.7434397529. The cubic root of 677703731 is about 878.3749844645.

The spelling of 677703731 in words is "six hundred seventy-seven million, seven hundred three thousand, seven hundred thirty-one".