670177699 has 2 divisors, whose sum is σ = 670177700. Its totient is φ = 670177698.

The previous prime is 670177687. The next prime is 670177727. The reversal of 670177699 is 996771076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670177699 - 2²³ = 661789091 is a prime.

It is not a weakly prime, because it can be changed into another prime (670177609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335088849 + 335088850.

It is an arithmetic number, because the mean of its divisors is an integer number (335088850).

Almost surely, 2^670177699 is an apocalyptic number.

670177699 is a deficient number, since it is larger than the sum of its proper divisors (1).

670177699 is an equidigital number, since it uses as much as digits as its factorization.

670177699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 670177699 is about 25887.7905391712. The cubic root of 670177699 is about 875.1113649820. Note that the first 3 decimals are identical.

The spelling of 670177699 in words is "six hundred seventy million, one hundred seventy-seven thousand, six hundred ninety-nine".