47501617897 has 8 divisors (see below), whose sum is σ = 48074555816. Its totient is φ = 46930378752.

The previous prime is 47501617871. The next prime is 47501617903. The reversal of 47501617897 is 79871610574.

47501617897 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 4 ways, for example, as 20821335616 + 26680282281 = 144296^2 + 163341^2 .

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 47501617897 - 2¹⁵ = 47501585129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47501617697) 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, 368388 + ... + 480325.

It is an arithmetic number, because the mean of its divisors is an integer number (6009319477).

Almost surely, 2^47501617897 is an apocalyptic number.

It is an amenable number.

47501617897 is a deficient number, since it is larger than the sum of its proper divisors (572937919).

47501617897 is an equidigital number, since it uses as much as digits as its factorization.

47501617897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849387.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 47501617897 in words is "forty-seven billion, five hundred one million, six hundred seventeen thousand, eight hundred ninety-seven".