47985701 has 2 divisors, whose sum is σ = 47985702. Its totient is φ = 47985700.

The previous prime is 47985689. The next prime is 47985709. The reversal of 47985701 is 10758974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 857476 = 6865^2 + 926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47985701 is a prime.

It is a super-2 number, since 2×47985701² = 4605255000922802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47985709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23992850 + 23992851.

It is an arithmetic number, because the mean of its divisors is an integer number (23992851).

Almost surely, 2^47985701 is an apocalyptic number.

It is an amenable number.

47985701 is a deficient number, since it is larger than the sum of its proper divisors (1).

47985701 is an equidigital number, since it uses as much as digits as its factorization.

47985701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 47985701 is about 6927.1712119739. The cubic root of 47985701 is about 363.3880274722.

The spelling of 47985701 in words is "forty-seven million, nine hundred eighty-five thousand, seven hundred one".