80277699 has 4 divisors (see below), whose sum is σ = 107036936. Its totient is φ = 53518464.

The previous prime is 80277619. The next prime is 80277707. The reversal of 80277699 is 99677208.

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

It is not a de Polignac number, because 80277699 - 2¹⁶ = 80212163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80277619) 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, 13379614 + ... + 13379619.

It is an arithmetic number, because the mean of its divisors is an integer number (26759234).

Almost surely, 2^80277699 is an apocalyptic number.

80277699 is a deficient number, since it is larger than the sum of its proper divisors (26759237).

80277699 is a wasteful number, since it uses less digits than its factorization.

80277699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26759236.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 80277699 is about 8959.7823076233. The cubic root of 80277699 is about 431.3849325302.

The spelling of 80277699 in words is "eighty million, two hundred seventy-seven thousand, six hundred ninety-nine".