47969880 has 64 divisors (see below), whose sum is σ = 164471040. Its totient is φ = 10964352.

The previous prime is 47969863. The next prime is 47969893. The reversal of 47969880 is 8896974.

It is a happy number.

It is a super-2 number, since 2×47969880² = 4602218774428800, which 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, 27714 + ... + 29393.

It is an arithmetic number, because the mean of its divisors is an integer number (2569860).

Almost surely, 2^47969880 is an apocalyptic number.

47969880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47969880 is an abundant number, since it is smaller than the sum of its proper divisors (116501160).

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

47969880 is a wasteful number, since it uses less digits than its factorization.

47969880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57128 (or 57124 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 47969880 is about 6926.0291654021. The cubic root of 47969880 is about 363.3480864494.

The spelling of 47969880 in words is "forty-seven million, nine hundred sixty-nine thousand, eight hundred eighty".