80081951 has 8 divisors (see below), whose sum is σ = 86059440. Its totient is φ = 74245248.

The previous prime is 80081921. The next prime is 80081957. The reversal of 80081951 is 15918008.

It is a happy number.

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 80081951 - 2¹⁸ = 79819807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80081957) 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, 34016 + ... + 36293.

It is an arithmetic number, because the mean of its divisors is an integer number (10757430).

Almost surely, 2^80081951 is an apocalyptic number.

80081951 is a deficient number, since it is larger than the sum of its proper divisors (5977489).

80081951 is a wasteful number, since it uses less digits than its factorization.

80081951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70393.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 80081951 is about 8948.8519375393. The cubic root of 80081951 is about 431.0340195260.

Adding to 80081951 its reverse (15918008), we get a palindrome (95999959).

The spelling of 80081951 in words is "eighty million, eighty-one thousand, nine hundred fifty-one".