80552999 has 2 divisors, whose sum is σ = 80553000. Its totient is φ = 80552998.

The previous prime is 80552977. The next prime is 80553013. The reversal of 80552999 is 99925508.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80552999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80552909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40276499 + 40276500.

It is an arithmetic number, because the mean of its divisors is an integer number (40276500).

Almost surely, 2^80552999 is an apocalyptic number.

80552999 is a deficient number, since it is larger than the sum of its proper divisors (1).

80552999 is an equidigital number, since it uses as much as digits as its factorization.

80552999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 80552999 is about 8975.1322552930. The cubic root of 80552999 is about 431.8774926258.

The spelling of 80552999 in words is "eighty million, five hundred fifty-two thousand, nine hundred ninety-nine".