48978737838 has 24 divisors (see below), whose sum is σ = 107615257776. Its totient is φ = 16096298400.

The previous prime is 48978737809. The next prime is 48978737839. The reversal of 48978737838 is 83873787984.

48978737838 is a `hidden beast` number, since 489 + 7 + 8 + 73 + 78 + 3 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48978737839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19160983 + ... + 19163538.

It is an arithmetic number, because the mean of its divisors is an integer number (4483969074).

Almost surely, 2^48978737838 is an apocalyptic number.

48978737838 is an abundant number, since it is smaller than the sum of its proper divisors (58636519938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48978737838 is a wasteful number, since it uses less digits than its factorization.

48978737838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38324600 (or 38324597 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 72.

The spelling of 48978737838 in words is "forty-eight billion, nine hundred seventy-eight million, seven hundred thirty-seven thousand, eight hundred thirty-eight".