102771879 has 8 divisors (see below), whose sum is σ = 156604800. Its totient is φ = 58726776.

The previous prime is 102771869. The next prime is 102771881. The reversal of 102771879 is 978177201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102771879 - 2⁴ = 102771863 is a prime.

It is a super-2 number, since 2×102771879² = 21124118226381282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102771879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102771869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2446929 + ... + 2446970.

It is an arithmetic number, because the mean of its divisors is an integer number (19575600).

Almost surely, 2^102771879 is an apocalyptic number.

102771879 is a deficient number, since it is larger than the sum of its proper divisors (53832921).

102771879 is an equidigital number, since it uses as much as digits as its factorization.

102771879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893909.

The product of its (nonzero) digits is 49392, while the sum is 42.

The square root of 102771879 is about 10137.6466203947. The cubic root of 102771879 is about 468.4084980724.

The spelling of 102771879 in words is "one hundred two million, seven hundred seventy-one thousand, eight hundred seventy-nine".