48778667520 has 160 divisors (see below), whose sum is σ = 170115897600. Its totient is φ = 11825111040.

The previous prime is 48778667459. The next prime is 48778667533. The reversal of 48778667520 is 2576687784.

It is a happy number.

48778667520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204220 + ... + 373179.

It is an arithmetic number, because the mean of its divisors is an integer number (1063224360).

Almost surely, 2^48778667520 is an apocalyptic number.

48778667520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48778667520 is an abundant number, since it is smaller than the sum of its proper divisors (121337230080).

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

48778667520 is a wasteful number, since it uses less digits than its factorization.

48778667520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577436 (or 577420 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 60.

The spelling of 48778667520 in words is "forty-eight billion, seven hundred seventy-eight million, six hundred sixty-seven thousand, five hundred twenty".