47878894537 has 8 divisors (see below), whose sum is σ = 50699844000. Its totient is φ = 45058449984.

The previous prime is 47878894529. The next prime is 47878894573. The reversal of 47878894537 is 73549887874.

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

It is a cyclic number.

It is not a de Polignac number, because 47878894537 - 2³ = 47878894529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47878844537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78514 + ... + 319252.

It is an arithmetic number, because the mean of its divisors is an integer number (6337480500).

Almost surely, 2^47878894537 is an apocalyptic number.

It is an amenable number.

47878894537 is a deficient number, since it is larger than the sum of its proper divisors (2820949463).

47878894537 is a wasteful number, since it uses less digits than its factorization.

47878894537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252455.

The product of its digits is 379330560, while the sum is 70.

The spelling of 47878894537 in words is "forty-seven billion, eight hundred seventy-eight million, eight hundred ninety-four thousand, five hundred thirty-seven".