47979604660 has 48 divisors (see below), whose sum is σ = 111154275792. Its totient is φ = 17283456000.

The previous prime is 47979604657. The next prime is 47979604663. The reversal of 47979604660 is 6640697974.

It is an interprime number because it is at equal distance from previous prime (47979604657) and next prime (47979604663).

It can be written as a sum of positive squares in 8 ways, for example, as 7900365456 + 40079239204 = 88884^2 + 200198^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47979604595 and 47979604604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47979604663) 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, 2239791 + ... + 2261110.

It is an arithmetic number, because the mean of its divisors is an integer number (2315714079).

Almost surely, 2^47979604660 is an apocalyptic number.

It is an amenable number.

47979604660 is an abundant number, since it is smaller than the sum of its proper divisors (63174671132).

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

47979604660 is a wasteful number, since it uses less digits than its factorization.

47979604660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500964 (or 4500962 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 47979604660 in words is "forty-seven billion, nine hundred seventy-nine million, six hundred four thousand, six hundred sixty".