80152891 has 8 divisors (see below), whose sum is σ = 98649824. Its totient is φ = 63417600.

The previous prime is 80152889. The next prime is 80152901. The reversal of 80152891 is 19825108.

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 80152891 - 2¹ = 80152889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80152871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440310 + ... + 440491.

It is an arithmetic number, because the mean of its divisors is an integer number (12331228).

Almost surely, 2^80152891 is an apocalyptic number.

80152891 is a deficient number, since it is larger than the sum of its proper divisors (18496933).

80152891 is a wasteful number, since it uses less digits than its factorization.

80152891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880821.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 80152891 is about 8952.8146970659. The cubic root of 80152891 is about 431.1612580546.

Adding to 80152891 its reverse (19825108), we get a palindrome (99977999).

The spelling of 80152891 in words is "eighty million, one hundred fifty-two thousand, eight hundred ninety-one".