670948855 has 8 divisors (see below), whose sum is σ = 806681232. Its totient is φ = 535730688.

The previous prime is 670948849. The next prime is 670948879. The reversal of 670948855 is 558849076.

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

It is a cyclic number.

It is not a de Polignac number, because 670948855 - 2¹¹ = 670946807 is a prime.

It is a super-2 number, since 2×670948855² = 900344732051622050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125674 + ... + 130903.

It is an arithmetic number, because the mean of its divisors is an integer number (100835154).

Almost surely, 2^670948855 is an apocalyptic number.

670948855 is a deficient number, since it is larger than the sum of its proper divisors (135732377).

670948855 is a wasteful number, since it uses less digits than its factorization.

670948855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257105.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The square root of 670948855 is about 25902.6804597517. The cubic root of 670948855 is about 875.4468922623.

The spelling of 670948855 in words is "six hundred seventy million, nine hundred forty-eight thousand, eight hundred fifty-five".