102828279 has 8 divisors (see below), whose sum is σ = 137193472. Its totient is φ = 68507640.

The previous prime is 102828269. The next prime is 102828281. The reversal of 102828279 is 972828201.

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

It is not a de Polignac number, because 102828279 - 2¹¹ = 102826231 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 (102828269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5317 + ... + 15294.

It is an arithmetic number, because the mean of its divisors is an integer number (17149184).

Almost surely, 2^102828279 is an apocalyptic number.

102828279 is a deficient number, since it is larger than the sum of its proper divisors (34365193).

102828279 is a wasteful number, since it uses less digits than its factorization.

102828279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22277.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 102828279 is about 10140.4279495493. The cubic root of 102828279 is about 468.4941680966.

The spelling of 102828279 in words is "one hundred two million, eight hundred twenty-eight thousand, two hundred seventy-nine".