74077822997 has 2 divisors, whose sum is σ = 74077822998. Its totient is φ = 74077822996.

The previous prime is 74077822963. The next prime is 74077823003. The reversal of 74077822997 is 79922877047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72086343121 + 1991479876 = 268489^2 + 44626^2 .

It is a cyclic number.

It is not a de Polignac number, because 74077822997 - 2¹² = 74077818901 is a prime.

It is a super-4 number, since 4×74077822997⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74077827997) 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, 37038911498 + 37038911499.

It is an arithmetic number, because the mean of its divisors is an integer number (37038911499).

Almost surely, 2^74077822997 is an apocalyptic number.

It is an amenable number.

74077822997 is a deficient number, since it is larger than the sum of its proper divisors (1).

74077822997 is an equidigital number, since it uses as much as digits as its factorization.

74077822997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24893568, while the sum is 62.

The spelling of 74077822997 in words is "seventy-four billion, seventy-seven million, eight hundred twenty-two thousand, nine hundred ninety-seven".