47794824138 has 32 divisors (see below), whose sum is σ = 97973572032. Its totient is φ = 15534704000.

The previous prime is 47794824137. The next prime is 47794824139. The reversal of 47794824138 is 83142849774.

It is an interprime number because it is at equal distance from previous prime (47794824137) and next prime (47794824139).

It is a super-3 number, since 3×47794824138³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47794824137) 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, 416545 + ... + 518747.

It is an arithmetic number, because the mean of its divisors is an integer number (3061674126).

Almost surely, 2^47794824138 is an apocalyptic number.

47794824138 is an abundant number, since it is smaller than the sum of its proper divisors (50178747894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47794824138 is a wasteful number, since it uses less digits than its factorization.

47794824138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104150.

The product of its digits is 10838016, while the sum is 57.

The spelling of 47794824138 in words is "forty-seven billion, seven hundred ninety-four million, eight hundred twenty-four thousand, one hundred thirty-eight".