12074788877 has 2 divisors, whose sum is σ = 12074788878. Its totient is φ = 12074788876.

The previous prime is 12074788871. The next prime is 12074788903. The reversal of 12074788877 is 77888747021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9821008201 + 2253780676 = 99101^2 + 47474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12074788877 is a prime.

It is a super-2 number, since 2×12074788877² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12074788871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6037394438 + 6037394439.

It is an arithmetic number, because the mean of its divisors is an integer number (6037394439).

Almost surely, 2^12074788877 is an apocalyptic number.

It is an amenable number.

12074788877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12074788877 is an equidigital number, since it uses as much as digits as its factorization.

12074788877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9834496, while the sum is 59.

The spelling of 12074788877 in words is "twelve billion, seventy-four million, seven hundred eighty-eight thousand, eight hundred seventy-seven".