99878083 has 2 divisors, whose sum is σ = 99878084. Its totient is φ = 99878082.

The previous prime is 99878071. The next prime is 99878099. The reversal of 99878083 is 38087899.

It is a weak prime.

It is an emirp because it is prime and its reverse (38087899) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99878083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99878083.

It is not a weakly prime, because it can be changed into another prime (99878183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49939041 + 49939042.

It is an arithmetic number, because the mean of its divisors is an integer number (49939042).

Almost surely, 2^99878083 is an apocalyptic number.

99878083 is a deficient number, since it is larger than the sum of its proper divisors (1).

99878083 is an equidigital number, since it uses as much as digits as its factorization.

99878083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 99878083 is about 9993.9022908972. The cubic root of 99878083 is about 463.9701771236.

The spelling of 99878083 in words is "ninety-nine million, eight hundred seventy-eight thousand, eighty-three".