768500081 has 8 divisors (see below), whose sum is σ = 806552640. Its totient is φ = 730834192.

The previous prime is 768500069. The next prime is 768500093. The reversal of 768500081 is 180005867.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (768500069) and next prime (768500093).

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 768500081 - 2¹⁰ = 768499057 is a prime.

It is a super-2 number, since 2×768500081² = 1181184748994013122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768500041) 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, 92591 + ... + 100548.

It is an arithmetic number, because the mean of its divisors is an integer number (100819080).

Almost surely, 2^768500081 is an apocalyptic number.

It is an amenable number.

768500081 is a deficient number, since it is larger than the sum of its proper divisors (38052559).

768500081 is a wasteful number, since it uses less digits than its factorization.

768500081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193335.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 768500081 is about 27721.8340122006. The cubic root of 768500081 is about 915.9701182227.

The spelling of 768500081 in words is "seven hundred sixty-eight million, five hundred thousand, eighty-one".