47720199824 has 20 divisors (see below), whose sum is σ = 100863150000. Its totient is φ = 21690999840.

The previous prime is 47720199823. The next prime is 47720199841. The reversal of 47720199824 is 42899102774.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47720199823) 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, 135568574 + ... + 135568925.

It is an arithmetic number, because the mean of its divisors is an integer number (5043157500).

Almost surely, 2^47720199824 is an apocalyptic number.

47720199824 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47720199824 is an abundant number, since it is smaller than the sum of its proper divisors (53142950176).

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

47720199824 is a wasteful number, since it uses less digits than its factorization.

47720199824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271137518 (or 271137512 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 47720199824 in words is "forty-seven billion, seven hundred twenty million, one hundred ninety-nine thousand, eight hundred twenty-four".