102799867 has 8 divisors (see below), whose sum is σ = 112600800. Its totient is φ = 93416064.

The previous prime is 102799849. The next prime is 102799877. The reversal of 102799867 is 768997201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102799867 - 2¹¹ = 102797819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102799867.

It is not an unprimeable number, because it can be changed into a prime (102799817) 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, 103767 + ... + 104752.

It is an arithmetic number, because the mean of its divisors is an integer number (14075100).

Almost surely, 2^102799867 is an apocalyptic number.

102799867 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

102799867 is a deficient number, since it is larger than the sum of its proper divisors (9800933).

102799867 is a wasteful number, since it uses less digits than its factorization.

102799867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208565.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 102799867 is about 10139.0269256966. The cubic root of 102799867 is about 468.4510149790.

The spelling of 102799867 in words is "one hundred two million, seven hundred ninety-nine thousand, eight hundred sixty-seven".