102888369 has 12 divisors (see below), whose sum is σ = 157358916. Its totient is φ = 64557312.

The previous prime is 102888337. The next prime is 102888391. The reversal of 102888369 is 963888201.

102888369 is a `hidden beast` number, since 1 + 0 + 288 + 8 + 369 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77000625 + 25887744 = 8775^2 + 5088^2 .

It is not a de Polignac number, because 102888369 - 2⁵ = 102888337 is a prime.

It is a super-2 number, since 2×102888369² = 21172032950960322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102888319) 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, 336084 + ... + 336389.

It is an arithmetic number, because the mean of its divisors is an integer number (13113243).

Almost surely, 2^102888369 is an apocalyptic number.

It is an amenable number.

102888369 is a deficient number, since it is larger than the sum of its proper divisors (54470547).

102888369 is a wasteful number, since it uses less digits than its factorization.

102888369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672496 (or 672493 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 102888369 is about 10143.3904095228. The cubic root of 102888369 is about 468.5854086674.

The spelling of 102888369 in words is "one hundred two million, eight hundred eighty-eight thousand, three hundred sixty-nine".