10478770778 has 16 divisors (see below), whose sum is σ = 17965509504. Its totient is φ = 4490426160.

The previous prime is 10478770751. The next prime is 10478770781. The reversal of 10478770778 is 87707787401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119243 + ... + 187553.

It is an arithmetic number, because the mean of its divisors is an integer number (1122844344).

Almost surely, 2^10478770778 is an apocalyptic number.

10478770778 is a deficient number, since it is larger than the sum of its proper divisors (7486738726).

10478770778 is a wasteful number, since it uses less digits than its factorization.

10478770778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79277.

The product of its (nonzero) digits is 4302592, while the sum is 56.

The spelling of 10478770778 in words is "ten billion, four hundred seventy-eight million, seven hundred seventy thousand, seven hundred seventy-eight".