101867879 has 4 divisors (see below), whose sum is σ = 102246840. Its totient is φ = 101488920.

The previous prime is 101867869. The next prime is 101867917. The reversal of 101867879 is 978768101.

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

It is a cyclic number.

It is not a de Polignac number, because 101867879 - 2¹⁶ = 101802343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101867849) 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, 189077 + ... + 189614.

It is an arithmetic number, because the mean of its divisors is an integer number (25561710).

Almost surely, 2^101867879 is an apocalyptic number.

101867879 is a deficient number, since it is larger than the sum of its proper divisors (378961).

101867879 is an equidigital number, since it uses as much as digits as its factorization.

101867879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378960.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 101867879 is about 10092.9618546787. The cubic root of 101867879 is about 467.0310494787.

The spelling of 101867879 in words is "one hundred one million, eight hundred sixty-seven thousand, eight hundred seventy-nine".