48772964978 has 4 divisors (see below), whose sum is σ = 73159447470. Its totient is φ = 24386482488.

The previous prime is 48772964953. The next prime is 48772964987. The reversal of 48772964978 is 87946927784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48095560249 + 677404729 = 219307^2 + 26027^2 .

It is a super-2 number, since 2×48772964978² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 12193241243 + ... + 12193241246.

Almost surely, 2^48772964978 is an apocalyptic number.

48772964978 is a deficient number, since it is larger than the sum of its proper divisors (24386482492).

48772964978 is a wasteful number, since it uses less digits than its factorization.

48772964978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24386482491.

The product of its digits is 341397504, while the sum is 71.

The spelling of 48772964978 in words is "forty-eight billion, seven hundred seventy-two million, nine hundred sixty-four thousand, nine hundred seventy-eight".