47157403747 has 4 divisors (see below), whose sum is σ = 47157848416. Its totient is φ = 47156959080.

The previous prime is 47157403717. The next prime is 47157403819. The reversal of 47157403747 is 74730475174.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47157403747 - 2³⁵ = 12797665379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47157403747.

It is not an unprimeable number, because it can be changed into a prime (47157403717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39622 + ... + 309652.

It is an arithmetic number, because the mean of its divisors is an integer number (11789462104).

Almost surely, 2^47157403747 is an apocalyptic number.

47157403747 is a deficient number, since it is larger than the sum of its proper divisors (444669).

47157403747 is a wasteful number, since it uses less digits than its factorization.

47157403747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444668.

The product of its (nonzero) digits is 2304960, while the sum is 49.

The spelling of 47157403747 in words is "forty-seven billion, one hundred fifty-seven million, four hundred three thousand, seven hundred forty-seven".