47491075396798 has 32 divisors (see below), whose sum is σ = 81839642417280. Its totient is φ = 20441494044000.

The previous prime is 47491075396781. The next prime is 47491075396799. The reversal of 47491075396798 is 89769357019474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47491075396799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24649068 + ... + 26505823.

It is an arithmetic number, because the mean of its divisors is an integer number (2557488825540).

Almost surely, 2^{47491075396798} is an apocalyptic number.

47491075396798 is a deficient number, since it is larger than the sum of its proper divisors (34348567020482).

47491075396798 is a wasteful number, since it uses less digits than its factorization.

47491075396798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51157144.

The product of its (nonzero) digits is 2880541440, while the sum is 79.

The spelling of 47491075396798 in words is "forty-seven trillion, four hundred ninety-one billion, seventy-five million, three hundred ninety-six thousand, seven hundred ninety-eight".