47545330778 has 12 divisors (see below), whose sum is σ = 78390855690. Its totient is φ = 21611513880.

The previous prime is 47545330769. The next prime is 47545330783. The reversal of 47545330778 is 87703354574.

It can be written as a sum of positive squares in only one way, i.e., 47470387129 + 74943649 = 217877^2 + 8657^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98233913 + ... + 98234396.

Almost surely, 2^47545330778 is an apocalyptic number.

47545330778 is a deficient number, since it is larger than the sum of its proper divisors (30845524912).

47545330778 is a wasteful number, since it uses less digits than its factorization.

47545330778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196468333 (or 196468322 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 47545330778 in words is "forty-seven billion, five hundred forty-five million, three hundred thirty thousand, seven hundred seventy-eight".