80808951 has 4 divisors (see below), whose sum is σ = 107745272. Its totient is φ = 53872632.

The previous prime is 80808929. The next prime is 80808961. The reversal of 80808951 is 15980808.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80808951 - 2⁶ = 80808887 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 (80808961) 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, 13468156 + ... + 13468161.

It is an arithmetic number, because the mean of its divisors is an integer number (26936318).

Almost surely, 2^80808951 is an apocalyptic number.

80808951 is a deficient number, since it is larger than the sum of its proper divisors (26936321).

80808951 is a wasteful number, since it uses less digits than its factorization.

80808951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26936320.

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 80808951 is about 8989.3799007496. The cubic root of 80808951 is about 432.3344300367.

The spelling of 80808951 in words is "eighty million, eight hundred eight thousand, nine hundred fifty-one".