47236220477831 has 16 divisors (see below), whose sum is σ = 59190854976000. Its totient is φ = 36620604696480.

The previous prime is 47236220477791. The next prime is 47236220477881. The reversal of 47236220477831 is 13877402263274.

It is a happy number.

It is not a de Polignac number, because 47236220477831 - 2⁴² = 42838173966727 is a prime.

It is a super-2 number, since 2×47236220477831² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47236220477881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556983331 + ... + 1557013668.

It is an arithmetic number, because the mean of its divisors is an integer number (3699428436000).

Almost surely, 2^{47236220477831} is an apocalyptic number.

47236220477831 is a deficient number, since it is larger than the sum of its proper divisors (11954634498169).

47236220477831 is a wasteful number, since it uses less digits than its factorization.

47236220477831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113997214.

The product of its (nonzero) digits is 18966528, while the sum is 56.

The spelling of 47236220477831 in words is "forty-seven trillion, two hundred thirty-six billion, two hundred twenty million, four hundred seventy-seven thousand, eight hundred thirty-one".