478156051 has 4 divisors (see below), whose sum is σ = 488329632. Its totient is φ = 467982472.

The previous prime is 478156043. The next prime is 478156057. The reversal of 478156051 is 150651874.

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 478156051 - 2³ = 478156043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478156051.

It is not an unprimeable number, because it can be changed into a prime (478156057) 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, 5086720 + ... + 5086813.

It is an arithmetic number, because the mean of its divisors is an integer number (122082408).

Almost surely, 2^478156051 is an apocalyptic number.

478156051 is a deficient number, since it is larger than the sum of its proper divisors (10173581).

478156051 is a wasteful number, since it uses less digits than its factorization.

478156051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173580.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 478156051 is about 21866.7796211514. The cubic root of 478156051 is about 781.9696282490.

The spelling of 478156051 in words is "four hundred seventy-eight million, one hundred fifty-six thousand, fifty-one".