77754034154231 has 2 divisors, whose sum is σ = 77754034154232. Its totient is φ = 77754034154230.

The previous prime is 77754034154183. The next prime is 77754034154243. The reversal of 77754034154231 is 13245143045777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77754034154231 - 2¹⁰ = 77754034153207 is a prime.

It is a super-2 number, since 2×77754034154231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77754034144231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38877017077115 + 38877017077116.

It is an arithmetic number, because the mean of its divisors is an integer number (38877017077116).

Almost surely, 2^{77754034154231} is an apocalyptic number.

77754034154231 is a deficient number, since it is larger than the sum of its proper divisors (1).

77754034154231 is an equidigital number, since it uses as much as digits as its factorization.

77754034154231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 77754034154231 in words is "seventy-seven trillion, seven hundred fifty-four billion, thirty-four million, one hundred fifty-four thousand, two hundred thirty-one".