101873894977 has 2 divisors, whose sum is σ = 101873894978. Its totient is φ = 101873894976.

The previous prime is 101873894957. The next prime is 101873894989. The reversal of 101873894977 is 779498378101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85877716401 + 15996178576 = 293049^2 + 126476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101873894977 is a prime.

It is not a weakly prime, because it can be changed into another prime (101873894957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50936947488 + 50936947489.

It is an arithmetic number, because the mean of its divisors is an integer number (50936947489).

Almost surely, 2^101873894977 is an apocalyptic number.

It is an amenable number.

101873894977 is a deficient number, since it is larger than the sum of its proper divisors (1).

101873894977 is an equidigital number, since it uses as much as digits as its factorization.

101873894977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21337344, while the sum is 64.

The spelling of 101873894977 in words is "one hundred one billion, eight hundred seventy-three million, eight hundred ninety-four thousand, nine hundred seventy-seven".