48817878988 has 12 divisors (see below), whose sum is σ = 89927671960. Its totient is φ = 23124258432.

The previous prime is 48817878983. The next prime is 48817879003. The reversal of 48817878988 is 88987871884.

It is a Harshad number since it is a multiple of its sum of digits (76), and also a Moran number because the ratio is a prime number: 642340513 = 48817878988 / (4 + 8 + 8 + 1 + 7 + 8 + 7 + 8 + 9 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (48817878983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321170181 + ... + 321170332.

Almost surely, 2^48817878988 is an apocalyptic number.

It is an amenable number.

48817878988 is a deficient number, since it is larger than the sum of its proper divisors (41109792972).

48817878988 is a wasteful number, since it uses less digits than its factorization.

48817878988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642340536 (or 642340534 counting only the distinct ones).

The product of its digits is 462422016, while the sum is 76.

The spelling of 48817878988 in words is "forty-eight billion, eight hundred seventeen million, eight hundred seventy-eight thousand, nine hundred eighty-eight".