477956505623 has 4 divisors (see below), whose sum is σ = 477963216000. Its totient is φ = 477949795248.

The previous prime is 477956505613. The next prime is 477956505629. The reversal of 477956505623 is 326505659774.

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 477956505623 - 2³⁶ = 409237028887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477956505629) 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, 3247190 + ... + 3391187.

It is an arithmetic number, because the mean of its divisors is an integer number (119490804000).

Almost surely, 2^477956505623 is an apocalyptic number.

477956505623 is a deficient number, since it is larger than the sum of its proper divisors (6710377).

477956505623 is an equidigital number, since it uses as much as digits as its factorization.

477956505623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710376.

The product of its (nonzero) digits is 47628000, while the sum is 59.

The spelling of 477956505623 in words is "four hundred seventy-seven billion, nine hundred fifty-six million, five hundred five thousand, six hundred twenty-three".