48278573664 has 48 divisors (see below), whose sum is σ = 130819368960. Its totient is φ = 15573732480.

The previous prime is 48278573663. The next prime is 48278573669. The reversal of 48278573664 is 46637587284.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 48278573598 and 48278573607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48278573663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8108344 + ... + 8114295.

It is an arithmetic number, because the mean of its divisors is an integer number (2725403520).

Almost surely, 2^48278573664 is an apocalyptic number.

It is an amenable number.

48278573664 is an abundant number, since it is smaller than the sum of its proper divisors (82540795296).

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

48278573664 is a wasteful number, since it uses less digits than its factorization.

48278573664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16222683 (or 16222675 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 60.

The spelling of 48278573664 in words is "forty-eight billion, two hundred seventy-eight million, five hundred seventy-three thousand, six hundred sixty-four".