47989701 has 6 divisors (see below), whose sum is σ = 69318470. Its totient is φ = 31993128.

The previous prime is 47989699. The next prime is 47989709. The reversal of 47989701 is 10798974.

47989701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28196100 + 19793601 = 5310^2 + 4449^2 .

It is not a de Polignac number, because 47989701 - 2¹ = 47989699 is a prime.

It is a super-2 number, since 2×47989701² = 4606022804138802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47989709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2666086 + ... + 2666103.

Almost surely, 2^47989701 is an apocalyptic number.

It is an amenable number.

47989701 is a deficient number, since it is larger than the sum of its proper divisors (21328769).

47989701 is a wasteful number, since it uses less digits than its factorization.

47989701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332195 (or 5332192 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 47989701 is about 6927.4599240992. The cubic root of 47989701 is about 363.3981243114.

The spelling of 47989701 in words is "forty-seven million, nine hundred eighty-nine thousand, seven hundred one".