77474309411 has 2 divisors, whose sum is σ = 77474309412. Its totient is φ = 77474309410.

The previous prime is 77474309377. The next prime is 77474309441. The reversal of 77474309411 is 11490347477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77474309411 - 2⁶ = 77474309347 is a prime.

It is a super-2 number, since 2×77474309411² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77474309441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38737154705 + 38737154706.

It is an arithmetic number, because the mean of its divisors is an integer number (38737154706).

Almost surely, 2^77474309411 is an apocalyptic number.

77474309411 is a deficient number, since it is larger than the sum of its proper divisors (1).

77474309411 is an equidigital number, since it uses as much as digits as its factorization.

77474309411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 77474309411 in words is "seventy-seven billion, four hundred seventy-four million, three hundred nine thousand, four hundred eleven".