47776687676628 has 48 divisors (see below), whose sum is σ = 112639761265920. Its totient is φ = 15759764342784.

The previous prime is 47776687676611. The next prime is 47776687676639. The reversal of 47776687676628 is 82667678667774.

It is a super-2 number, since 2×47776687676628² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9270325 + ... + 13471907.

It is an arithmetic number, because the mean of its divisors is an integer number (2346661693040).

Almost surely, 2^{47776687676628} is an apocalyptic number.

It is an amenable number.

47776687676628 is an abundant number, since it is smaller than the sum of its proper divisors (64863073589292).

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

47776687676628 is a wasteful number, since it uses less digits than its factorization.

47776687676628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211456 (or 4211454 counting only the distinct ones).

The product of its digits is 66913910784, while the sum is 87.

The spelling of 47776687676628 in words is "forty-seven trillion, seven hundred seventy-six billion, six hundred eighty-seven million, six hundred seventy-six thousand, six hundred twenty-eight".