47740457636 has 12 divisors (see below), whose sum is σ = 84077940828. Its totient is φ = 23718188832.

The previous prime is 47740457579. The next prime is 47740457647. The reversal of 47740457636 is 63675404774.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17356481536 + 30383976100 = 131744^2 + 174310^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38009291 + ... + 38010546.

It is an arithmetic number, because the mean of its divisors is an integer number (7006495069).

Almost surely, 2^47740457636 is an apocalyptic number.

It is an amenable number.

47740457636 is a deficient number, since it is larger than the sum of its proper divisors (36337483192).

47740457636 is a wasteful number, since it uses less digits than its factorization.

47740457636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76019998 (or 76019996 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 53.

The spelling of 47740457636 in words is "forty-seven billion, seven hundred forty million, four hundred fifty-seven thousand, six hundred thirty-six".