670790568887 has 4 divisors (see below), whose sum is σ = 670821038496. Its totient is φ = 670760099280.

The previous prime is 670790568871. The next prime is 670790568893. The reversal of 670790568887 is 788865097076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670790568887 - 2⁴ = 670790568871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670790568887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670790568817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15201758 + ... + 15245819.

It is an arithmetic number, because the mean of its divisors is an integer number (167705259624).

Almost surely, 2^670790568887 is an apocalyptic number.

670790568887 is a deficient number, since it is larger than the sum of its proper divisors (30469609).

670790568887 is a wasteful number, since it uses less digits than its factorization.

670790568887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30469608.

The product of its (nonzero) digits is 284497920, while the sum is 71.

The spelling of 670790568887 in words is "six hundred seventy billion, seven hundred ninety million, five hundred sixty-eight thousand, eight hundred eighty-seven".