74112613877 has 2 divisors, whose sum is σ = 74112613878. Its totient is φ = 74112613876.

The previous prime is 74112613873. The next prime is 74112613961. The reversal of 74112613877 is 77831621147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67825868356 + 6286745521 = 260434^2 + 79289^2 .

It is a cyclic number.

It is not a de Polignac number, because 74112613877 - 2² = 74112613873 is a prime.

It is a super-2 number, since 2×74112613877² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74112613873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37056306938 + 37056306939.

It is an arithmetic number, because the mean of its divisors is an integer number (37056306939).

Almost surely, 2^74112613877 is an apocalyptic number.

It is an amenable number.

74112613877 is a deficient number, since it is larger than the sum of its proper divisors (1).

74112613877 is an equidigital number, since it uses as much as digits as its factorization.

74112613877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 47.

The spelling of 74112613877 in words is "seventy-four billion, one hundred twelve million, six hundred thirteen thousand, eight hundred seventy-seven".