102063879 has 12 divisors (see below), whose sum is σ = 148016232. Its totient is φ = 67770000.

The previous prime is 102063859. The next prime is 102063881. The reversal of 102063879 is 978360201.

102063879 is a `hidden beast` number, since 10 + 2 + 0 + 638 + 7 + 9 = 666.

It is not a de Polignac number, because 102063879 - 2¹⁶ = 101998343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102063809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20332 + ... + 24849.

It is an arithmetic number, because the mean of its divisors is an integer number (12334686).

Almost surely, 2^102063879 is an apocalyptic number.

102063879 is a deficient number, since it is larger than the sum of its proper divisors (45952353).

102063879 is a wasteful number, since it uses less digits than its factorization.

102063879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45438 (or 45435 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 102063879 is about 10102.6669251243. Note that the first 3 decimals coincide. The cubic root of 102063879 is about 467.3303896338.

The spelling of 102063879 in words is "one hundred two million, sixty-three thousand, eight hundred seventy-nine".