478761793077 has 16 divisors (see below), whose sum is σ = 655723807232. Its totient is φ = 310490366400.

The previous prime is 478761793057. The next prime is 478761793099. The reversal of 478761793077 is 770397167874.

It is not a de Polignac number, because 478761793077 - 2¹⁶ = 478761727541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478761792999 and 478761793017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478761793057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201327 + ... + 999027.

It is an arithmetic number, because the mean of its divisors is an integer number (40982737952).

Almost surely, 2^478761793077 is an apocalyptic number.

It is an amenable number.

478761793077 is a deficient number, since it is larger than the sum of its proper divisors (176962014155).

478761793077 is a wasteful number, since it uses less digits than its factorization.

478761793077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803148.

The product of its (nonzero) digits is 87127488, while the sum is 66.

The spelling of 478761793077 in words is "four hundred seventy-eight billion, seven hundred sixty-one million, seven hundred ninety-three thousand, seventy-seven".