80106399 has 12 divisors (see below), whose sum is σ = 116173512. Its totient is φ = 53190000.

The previous prime is 80106391. The next prime is 80106407. The reversal of 80106399 is 99360108.

80106399 is a `hidden beast` number, since 8 + 0 + 10 + 639 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (80106391) and next prime (80106407).

It is not a de Polignac number, because 80106399 - 2³ = 80106391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80106391) 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, 15472 + ... + 19989.

It is an arithmetic number, because the mean of its divisors is an integer number (9681126).

Almost surely, 2^80106399 is an apocalyptic number.

80106399 is a deficient number, since it is larger than the sum of its proper divisors (36067113).

80106399 is a wasteful number, since it uses less digits than its factorization.

80106399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35718 (or 35715 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 80106399 is about 8950.2178185785. The cubic root of 80106399 is about 431.0778781292.

The spelling of 80106399 in words is "eighty million, one hundred six thousand, three hundred ninety-nine".