47415978674 has 8 divisors (see below), whose sum is σ = 71127013548. Its totient is φ = 23706974160.

The previous prime is 47415978653. The next prime is 47415978679. The reversal of 47415978674 is 47687951474.

It can be written as a sum of positive squares in 2 ways, for example, as 43851291649 + 3564687025 = 209407^2 + 59705^2 .

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

It is a super-2 number, since 2×47415978674² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47415978679) by changing a digit.

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, 447797 + ... + 543464.

Almost surely, 2^47415978674 is an apocalyptic number.

47415978674 is a deficient number, since it is larger than the sum of its proper divisors (23711034874).

47415978674 is a wasteful number, since it uses less digits than its factorization.

47415978674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015180.

The product of its digits is 47416320, while the sum is 62.

The spelling of 47415978674 in words is "forty-seven billion, four hundred fifteen million, nine hundred seventy-eight thousand, six hundred seventy-four".