104020118977 has 2 divisors, whose sum is σ = 104020118978. Its totient is φ = 104020118976.

The previous prime is 104020118953. The next prime is 104020118981. The reversal of 104020118977 is 779811020401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86148707121 + 17871411856 = 293511^2 + 133684^2 .

It is a cyclic number.

It is not a de Polignac number, because 104020118977 - 2²³ = 104011730369 is a prime.

It is not a weakly prime, because it can be changed into another prime (104020128977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52010059488 + 52010059489.

It is an arithmetic number, because the mean of its divisors is an integer number (52010059489).

Almost surely, 2^104020118977 is an apocalyptic number.

It is an amenable number.

104020118977 is a deficient number, since it is larger than the sum of its proper divisors (1).

104020118977 is an equidigital number, since it uses as much as digits as its factorization.

104020118977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 40.

The spelling of 104020118977 in words is "one hundred four billion, twenty million, one hundred eighteen thousand, nine hundred seventy-seven".