478512771233 has 4 divisors (see below), whose sum is σ = 546871738560. Its totient is φ = 410153803908.

The previous prime is 478512771221. The next prime is 478512771239. The reversal of 478512771233 is 332177215874.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 478512771233 - 2²² = 478508576929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478512771239) 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, 34179483653 + ... + 34179483666.

It is an arithmetic number, because the mean of its divisors is an integer number (136717934640).

Almost surely, 2^478512771233 is an apocalyptic number.

It is an amenable number.

478512771233 is a deficient number, since it is larger than the sum of its proper divisors (68358967327).

478512771233 is an equidigital number, since it uses as much as digits as its factorization.

478512771233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68358967326.

The product of its digits is 1975680, while the sum is 50.

The spelling of 478512771233 in words is "four hundred seventy-eight billion, five hundred twelve million, seven hundred seventy-one thousand, two hundred thirty-three".