77114473854401 has 4 divisors (see below), whose sum is σ = 77980928616900. Its totient is φ = 76248019091904.

The previous prime is 77114473854367. The next prime is 77114473854421. The reversal of 77114473854401 is 10445837441177.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9552896282176 + 67561577572225 = 3090776^2 + 8219585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77114473854401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77114473854421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433227381116 + ... + 433227381293.

It is an arithmetic number, because the mean of its divisors is an integer number (19495232154225).

Almost surely, 2^{77114473854401} is an apocalyptic number.

It is an amenable number.

77114473854401 is a deficient number, since it is larger than the sum of its proper divisors (866454762499).

77114473854401 is an equidigital number, since it uses as much as digits as its factorization.

77114473854401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866454762498.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 77114473854401 in words is "seventy-seven trillion, one hundred fourteen billion, four hundred seventy-three million, eight hundred fifty-four thousand, four hundred one".