47887804493 has 6 divisors (see below), whose sum is σ = 48792971214. Its totient is φ = 46982697944.

The previous prime is 47887804463. The next prime is 47887804501. The reversal of 47887804493 is 39440878874.

47887804493 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., 44273630569 + 3614173924 = 210413^2 + 60118^2 .

It is not a de Polignac number, because 47887804493 - 2²² = 47883610189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47887804423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1578098 + ... + 1608156.

It is an arithmetic number, because the mean of its divisors is an integer number (8132161869).

Almost surely, 2^47887804493 is an apocalyptic number.

It is an amenable number.

47887804493 is a deficient number, since it is larger than the sum of its proper divisors (905166721).

47887804493 is an frugal number, since it uses more digits than its factorization.

47887804493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60171 (or 30112 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 62.

The spelling of 47887804493 in words is "forty-seven billion, eight hundred eighty-seven million, eight hundred four thousand, four hundred ninety-three".