670879554 has 8 divisors (see below), whose sum is σ = 1341759120. Its totient is φ = 223626516.

The previous prime is 670879541. The next prime is 670879579. The reversal of 670879554 is 455978076.

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

670879554 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 670879497 and 670879506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55906624 + ... + 55906635.

It is an arithmetic number, because the mean of its divisors is an integer number (167719890).

Almost surely, 2^670879554 is an apocalyptic number.

670879554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670879554 is a wasteful number, since it uses less digits than its factorization.

670879554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111813264.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 670879554 is about 25901.3427065085. The cubic root of 670879554 is about 875.4167501565.

The spelling of 670879554 in words is "six hundred seventy million, eight hundred seventy-nine thousand, five hundred fifty-four".