80868766 has 8 divisors (see below), whose sum is σ = 132330744. Its totient is φ = 36758520.

The previous prime is 80868761. The next prime is 80868793. The reversal of 80868766 is 66786808.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80868761) 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, 1837905 + ... + 1837948.

It is an arithmetic number, because the mean of its divisors is an integer number (16541343).

Almost surely, 2^80868766 is an apocalyptic number.

80868766 is a deficient number, since it is larger than the sum of its proper divisors (51461978).

80868766 is a wasteful number, since it uses less digits than its factorization.

80868766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675866.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 80868766 is about 8992.7062667475. The cubic root of 80868766 is about 432.4410754254.

The spelling of 80868766 in words is "eighty million, eight hundred sixty-eight thousand, seven hundred sixty-six".