80760921 has 8 divisors (see below), whose sum is σ = 111154944. Its totient is φ = 52103760.

The previous prime is 80760917. The next prime is 80760941. The reversal of 80760921 is 12906708.

80760921 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 80760921 - 2² = 80760917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80760941) 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, 434106 + ... + 434291.

It is an arithmetic number, because the mean of its divisors is an integer number (13894368).

Almost surely, 2^80760921 is an apocalyptic number.

It is an amenable number.

80760921 is a deficient number, since it is larger than the sum of its proper divisors (30394023).

80760921 is a wasteful number, since it uses less digits than its factorization.

80760921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868431.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 80760921 is about 8986.7080179563. The cubic root of 80760921 is about 432.2487582648.

The spelling of 80760921 in words is "eighty million, seven hundred sixty thousand, nine hundred twenty-one".