477928378885 has 16 divisors (see below), whose sum is σ = 580891760640. Its totient is φ = 377426200320.

The previous prime is 477928378871. The next prime is 477928378913. The reversal of 477928378885 is 588873829774.

It is not a de Polignac number, because 477928378885 - 2²³ = 477919990277 is a prime.

It is a super-2 number, since 2×477928378885² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1863645 + ... + 2104525.

It is an arithmetic number, because the mean of its divisors is an integer number (36305735040).

Almost surely, 2^477928378885 is an apocalyptic number.

It is an amenable number.

477928378885 is a deficient number, since it is larger than the sum of its proper divisors (102963381755).

477928378885 is a wasteful number, since it uses less digits than its factorization.

477928378885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245988.

The product of its digits is 1517322240, while the sum is 76.

The spelling of 477928378885 in words is "four hundred seventy-seven billion, nine hundred twenty-eight million, three hundred seventy-eight thousand, eight hundred eighty-five".