74847587911 has 2 divisors, whose sum is σ = 74847587912. Its totient is φ = 74847587910.

The previous prime is 74847587891. The next prime is 74847587987. The reversal of 74847587911 is 11978574847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74847587911 - 2¹⁵ = 74847555143 is a prime.

It is a super-2 number, since 2×74847587911² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74847587911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74847587611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37423793955 + 37423793956.

It is an arithmetic number, because the mean of its divisors is an integer number (37423793956).

Almost surely, 2^74847587911 is an apocalyptic number.

74847587911 is a deficient number, since it is larger than the sum of its proper divisors (1).

74847587911 is an equidigital number, since it uses as much as digits as its factorization.

74847587911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15805440, while the sum is 61.

The spelling of 74847587911 in words is "seventy-four billion, eight hundred forty-seven million, five hundred eighty-seven thousand, nine hundred eleven".