47906985907 has 8 divisors (see below), whose sum is σ = 52582795200. Its totient is φ = 43284614760.

The previous prime is 47906985901. The next prime is 47906985961. The reversal of 47906985907 is 70958960974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47906985907 is a prime.

It is a super-2 number, since 2×47906985907² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47906985901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13357657 + ... + 13361242.

It is an arithmetic number, because the mean of its divisors is an integer number (6572849400).

Almost surely, 2^47906985907 is an apocalyptic number.

47906985907 is a deficient number, since it is larger than the sum of its proper divisors (4675809293).

47906985907 is a wasteful number, since it uses less digits than its factorization.

47906985907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26719073.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 47906985907 in words is "forty-seven billion, nine hundred six million, nine hundred eighty-five thousand, nine hundred seven".