47390877855685 has 24 divisors (see below), whose sum is σ = 71242550451576. Its totient is φ = 29996863344000.

The previous prime is 47390877855641. The next prime is 47390877855703. The reversal of 47390877855685 is 58655877809374.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2553095861281 + 44837781994404 = 1597841^2 + 6696102^2 .

It is not a de Polignac number, because 47390877855685 - 2¹¹ = 47390877853637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47390877855599 and 47390877855608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7439695066 + ... + 7439701435.

It is an arithmetic number, because the mean of its divisors is an integer number (2968439602149).

Almost surely, 2^{47390877855685} is an apocalyptic number.

It is an amenable number.

47390877855685 is a deficient number, since it is larger than the sum of its proper divisors (23851672595891).

47390877855685 is a wasteful number, since it uses less digits than its factorization.

47390877855685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14879396533 (or 14879396526 counting only the distinct ones).

The product of its (nonzero) digits is 14224896000, while the sum is 82.

The spelling of 47390877855685 in words is "forty-seven trillion, three hundred ninety billion, eight hundred seventy-seven million, eight hundred fifty-five thousand, six hundred eighty-five".