104777154397 has 2 divisors, whose sum is σ = 104777154398. Its totient is φ = 104777154396.

The previous prime is 104777154389. The next prime is 104777154401. The reversal of 104777154397 is 793451777401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101489393476 + 3287760921 = 318574^2 + 57339^2 .

It is an emirp because it is prime and its reverse (793451777401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104777154397 - 2³ = 104777154389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104777155397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52388577198 + 52388577199.

It is an arithmetic number, because the mean of its divisors is an integer number (52388577199).

Almost surely, 2^104777154397 is an apocalyptic number.

It is an amenable number.

104777154397 is a deficient number, since it is larger than the sum of its proper divisors (1).

104777154397 is an equidigital number, since it uses as much as digits as its factorization.

104777154397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5186160, while the sum is 55.

The spelling of 104777154397 in words is "one hundred four billion, seven hundred seventy-seven million, one hundred fifty-four thousand, three hundred ninety-seven".