670883997 has 8 divisors (see below), whose sum is σ = 1022299456. Its totient is φ = 383362272.

The previous prime is 670883981. The next prime is 670884007. The reversal of 670883997 is 799388076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 670883997 - 2⁴ = 670883981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670883497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15973408 + ... + 15973449.

It is an arithmetic number, because the mean of its divisors is an integer number (127787432).

Almost surely, 2^670883997 is an apocalyptic number.

It is an amenable number.

670883997 is a deficient number, since it is larger than the sum of its proper divisors (351415459).

670883997 is a wasteful number, since it uses less digits than its factorization.

670883997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31946867.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 670883997 is about 25901.4284741209. The cubic root of 670883997 is about 875.4186826783.

The spelling of 670883997 in words is "six hundred seventy million, eight hundred eighty-three thousand, nine hundred ninety-seven".