477061668681 has 16 divisors (see below), whose sum is σ = 703525456704. Its totient is φ = 285641913024.

The previous prime is 477061668653. The next prime is 477061668719. The reversal of 477061668681 is 186866160774.

It is not a de Polignac number, because 477061668681 - 2¹⁸ = 477061406537 is a prime.

It is a super-2 number, since 2×477061668681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (477061663681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165300591 + ... + 165303476.

It is an arithmetic number, because the mean of its divisors is an integer number (43970341044).

Almost surely, 2^477061668681 is an apocalyptic number.

It is an amenable number.

477061668681 is a deficient number, since it is larger than the sum of its proper divisors (226463788023).

477061668681 is a wasteful number, since it uses less digits than its factorization.

477061668681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330604120.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 477061668681 in words is "four hundred seventy-seven billion, sixty-one million, six hundred sixty-eight thousand, six hundred eighty-one".