47888981998 has 16 divisors (see below), whose sum is σ = 84391772976. Its totient is φ = 20093279040.

The previous prime is 47888981993. The next prime is 47888982023. The reversal of 47888981998 is 89918988874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47888981993) 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, 83721711 + ... + 83722282.

It is an arithmetic number, because the mean of its divisors is an integer number (5274485811).

Almost surely, 2^47888981998 is an apocalyptic number.

47888981998 is a deficient number, since it is larger than the sum of its proper divisors (36502790978).

47888981998 is a wasteful number, since it uses less digits than its factorization.

47888981998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167444019.

The product of its digits is 668860416, while the sum is 79.

The spelling of 47888981998 in words is "forty-seven billion, eight hundred eighty-eight million, nine hundred eighty-one thousand, nine hundred ninety-eight".