47906997 has 16 divisors (see below), whose sum is σ = 67061760. Its totient is φ = 30380400.

The previous prime is 47906981. The next prime is 47907007. The reversal of 47906997 is 79960974.

It is not a de Polignac number, because 47906997 - 2⁴ = 47906981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47906977) 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, 1122 + ... + 9852.

It is an arithmetic number, because the mean of its divisors is an integer number (4191360).

Almost surely, 2^47906997 is an apocalyptic number.

It is an amenable number.

47906997 is a deficient number, since it is larger than the sum of its proper divisors (19154763).

47906997 is a wasteful number, since it uses less digits than its factorization.

47906997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 47906997 is about 6921.4880625484. The cubic root of 47906997 is about 363.1892478276.

The spelling of 47906997 in words is "forty-seven million, nine hundred six thousand, nine hundred ninety-seven".