478012798577 has 4 divisors (see below), whose sum is σ = 478308052080. Its totient is φ = 477717545076.

The previous prime is 478012798561. The next prime is 478012798609. The reversal of 478012798577 is 775897210874.

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 478012798577 - 2⁴ = 478012798561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478012798547) 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, 147624323 + ... + 147627560.

It is an arithmetic number, because the mean of its divisors is an integer number (119577013020).

Almost surely, 2^478012798577 is an apocalyptic number.

It is an amenable number.

478012798577 is a deficient number, since it is larger than the sum of its proper divisors (295253503).

478012798577 is a wasteful number, since it uses less digits than its factorization.

478012798577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295253502.

The product of its (nonzero) digits is 55319040, while the sum is 65.

The spelling of 478012798577 in words is "four hundred seventy-eight billion, twelve million, seven hundred ninety-eight thousand, five hundred seventy-seven".