80077797 has 36 divisors (see below), whose sum is σ = 121850560. Its totient is φ = 50656320.

The previous prime is 80077771. The next prime is 80077807. The reversal of 80077797 is 79777008.

It is not a de Polignac number, because 80077797 - 2¹² = 80073701 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80077297) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1013604 + ... + 1013682.

Almost surely, 2^80077797 is an apocalyptic number.

It is an amenable number.

80077797 is a deficient number, since it is larger than the sum of its proper divisors (41772763).

80077797 is a wasteful number, since it uses less digits than its factorization.

80077797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 45.

The square root of 80077797 is about 8948.6198377180. The cubic root of 80077797 is about 431.0265665513.

The spelling of 80077797 in words is "eighty million, seventy-seven thousand, seven hundred ninety-seven".