80829499 has 2 divisors, whose sum is σ = 80829500. Its totient is φ = 80829498.

The previous prime is 80829487. The next prime is 80829523. The reversal of 80829499 is 99492808.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80829499 - 2¹⁵ = 80796731 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80829449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40414749 + 40414750.

It is an arithmetic number, because the mean of its divisors is an integer number (40414750).

Almost surely, 2^80829499 is an apocalyptic number.

80829499 is a deficient number, since it is larger than the sum of its proper divisors (1).

80829499 is an equidigital number, since it uses as much as digits as its factorization.

80829499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 80829499 is about 8990.5227322998. The cubic root of 80829499 is about 432.3710714190.

It can be divided in two parts, 80829 and 499, that multiplied together give a triangular number (40333671 = T₈₉₈₁).

The spelling of 80829499 in words is "eighty million, eight hundred twenty-nine thousand, four hundred ninety-nine".