47899656 has 72 divisors (see below), whose sum is σ = 150919470. Its totient is φ = 13684608.

The previous prime is 47899633. The next prime is 47899679. The reversal of 47899656 is 65699874.

It is an interprime number because it is at equal distance from previous prime (47899633) and next prime (47899679).

It can be written as a sum of positive squares in only one way, i.e., 28451556 + 19448100 = 5334^2 + 4410^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3261 + ... + 10316.

Almost surely, 2^47899656 is an apocalyptic number.

It is an amenable number.

47899656 is an abundant number, since it is smaller than the sum of its proper divisors (103019814).

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

47899656 is a wasteful number, since it uses less digits than its factorization.

47899656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603 (or 13589 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 47899656 is about 6920.9577371922. The cubic root of 47899656 is about 363.1706958510.

The spelling of 47899656 in words is "forty-seven million, eight hundred ninety-nine thousand, six hundred fifty-six".