101864879 has 2 divisors, whose sum is σ = 101864880. Its totient is φ = 101864878.

The previous prime is 101864831. The next prime is 101864881. The reversal of 101864879 is 978468101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101864879 - 2¹⁶ = 101799343 is a prime.

Together with 101864881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101864179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50932439 + 50932440.

It is an arithmetic number, because the mean of its divisors is an integer number (50932440).

Almost surely, 2^101864879 is an apocalyptic number.

101864879 is a deficient number, since it is larger than the sum of its proper divisors (1).

101864879 is an equidigital number, since it uses as much as digits as its factorization.

101864879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 101864879 is about 10092.8132351689. The cubic root of 101864879 is about 467.0264647594.

The spelling of 101864879 in words is "one hundred one million, eight hundred sixty-four thousand, eight hundred seventy-nine".