80770111 has 8 divisors (see below), whose sum is σ = 87341760. Its totient is φ = 74400768.

The previous prime is 80770103. The next prime is 80770139. The reversal of 80770111 is 11107708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80770111 - 2³ = 80770103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80770511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49746 + ... + 51343.

It is an arithmetic number, because the mean of its divisors is an integer number (10917720).

Almost surely, 2^80770111 is an apocalyptic number.

80770111 is a deficient number, since it is larger than the sum of its proper divisors (6571649).

80770111 is a wasteful number, since it uses less digits than its factorization.

80770111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101153.

The product of its (nonzero) digits is 392, while the sum is 25.

The square root of 80770111 is about 8987.2193141149. The cubic root of 80770111 is about 432.2651532216.

Adding to 80770111 its reverse (11107708), we get a palindrome (91877819).

The spelling of 80770111 in words is "eighty million, seven hundred seventy thousand, one hundred eleven".