47791123680 has 48 divisors (see below), whose sum is σ = 150542041104. Its totient is φ = 12744299520.

The previous prime is 47791123669. The next prime is 47791123687. The reversal of 47791123680 is 8632119774.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47791123687) 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, 49781941 + ... + 49782900.

It is an arithmetic number, because the mean of its divisors is an integer number (3136292523).

Almost surely, 2^47791123680 is an apocalyptic number.

47791123680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47791123680 is an abundant number, since it is smaller than the sum of its proper divisors (102750917424).

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

47791123680 is a wasteful number, since it uses less digits than its factorization.

47791123680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99564859 (or 99564851 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 47791123680 in words is "forty-seven billion, seven hundred ninety-one million, one hundred twenty-three thousand, six hundred eighty".