80962399 has 4 divisors (see below), whose sum is σ = 92528464. Its totient is φ = 69396336.

The previous prime is 80962393. The next prime is 80962411. The reversal of 80962399 is 99326908.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80962399 - 2⁹ = 80961887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80962393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5783022 + ... + 5783035.

It is an arithmetic number, because the mean of its divisors is an integer number (23132116).

Almost surely, 2^80962399 is an apocalyptic number.

80962399 is a deficient number, since it is larger than the sum of its proper divisors (11566065).

80962399 is a wasteful number, since it uses less digits than its factorization.

80962399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566064.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 80962399 is about 8997.9108130721. The cubic root of 80962399 is about 432.6079100803.

The spelling of 80962399 in words is "eighty million, nine hundred sixty-two thousand, three hundred ninety-nine".