74000797877 has 2 divisors, whose sum is σ = 74000797878. Its totient is φ = 74000797876.

The previous prime is 74000797823. The next prime is 74000797901. The reversal of 74000797877 is 77879700047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73704648196 + 296149681 = 271486^2 + 17209^2 .

It is a cyclic number.

It is not a de Polignac number, because 74000797877 - 2¹⁸ = 74000535733 is a prime.

It is a super-2 number, since 2×74000797877² (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 (74000797477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37000398938 + 37000398939.

It is an arithmetic number, because the mean of its divisors is an integer number (37000398939).

Almost surely, 2^74000797877 is an apocalyptic number.

It is an amenable number.

74000797877 is a deficient number, since it is larger than the sum of its proper divisors (1).

74000797877 is an equidigital number, since it uses as much as digits as its factorization.

74000797877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4840416, while the sum is 56.

The spelling of 74000797877 in words is "seventy-four billion, seven hundred ninety-seven thousand, eight hundred seventy-seven".