102788899 has 2 divisors, whose sum is σ = 102788900. Its totient is φ = 102788898.

The previous prime is 102788893. The next prime is 102788929. The reversal of 102788899 is 998887201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102788899 is a prime.

It is not a weakly prime, because it can be changed into another prime (102788893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51394449 + 51394450.

It is an arithmetic number, because the mean of its divisors is an integer number (51394450).

Almost surely, 2^102788899 is an apocalyptic number.

102788899 is a deficient number, since it is larger than the sum of its proper divisors (1).

102788899 is an equidigital number, since it uses as much as digits as its factorization.

102788899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 102788899 is about 10138.4860309614. The cubic root of 102788899 is about 468.4343542782.

The spelling of 102788899 in words is "one hundred two million, seven hundred eighty-eight thousand, eight hundred ninety-nine".