667928354711 has 8 divisors (see below), whose sum is σ = 680545364544. Its totient is φ = 655311885280.

The previous prime is 667928354701. The next prime is 667928354749. The reversal of 667928354711 is 117453829766.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667928354711 is a prime.

It is a super-2 number, since 2×667928354711² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667928354701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072626 + ... + 3282816.

It is an arithmetic number, because the mean of its divisors is an integer number (85068170568).

Almost surely, 2^667928354711 is an apocalyptic number.

667928354711 is a deficient number, since it is larger than the sum of its proper divisors (12617009833).

667928354711 is a wasteful number, since it uses less digits than its factorization.

667928354711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270201.

The product of its digits is 15240960, while the sum is 59.

The spelling of 667928354711 in words is "six hundred sixty-seven billion, nine hundred twenty-eight million, three hundred fifty-four thousand, seven hundred eleven".