47689774645 has 8 divisors (see below), whose sum is σ = 57330475704. Its totient is φ = 38083322304.

The previous prime is 47689774633. The next prime is 47689774711. The reversal of 47689774645 is 54647798674.

It can be written as a sum of positive squares in 4 ways, for example, as 2209094001 + 45480680644 = 47001^2 + 213262^2 .

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 47689774645 - 2¹⁵ = 47689741877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8559114 + ... + 8564683.

It is an arithmetic number, because the mean of its divisors is an integer number (7166309463).

Almost surely, 2^47689774645 is an apocalyptic number.

It is an amenable number.

47689774645 is a deficient number, since it is larger than the sum of its proper divisors (9640701059).

47689774645 is a wasteful number, since it uses less digits than its factorization.

47689774645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17124359.

The product of its digits is 284497920, while the sum is 67.

The spelling of 47689774645 in words is "forty-seven billion, six hundred eighty-nine million, seven hundred seventy-four thousand, six hundred forty-five".