80487155 has 12 divisors (see below), whose sum is σ = 112353840. Its totient is φ = 55191024.

The previous prime is 80487133. The next prime is 80487157. The reversal of 80487155 is 55178408.

It is not a de Polignac number, because 80487155 - 2¹² = 80483059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80487157) 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 11 ways as a sum of consecutive naturals, for example, 164015 + ... + 164504.

It is an arithmetic number, because the mean of its divisors is an integer number (9362820).

Almost surely, 2^80487155 is an apocalyptic number.

80487155 is a deficient number, since it is larger than the sum of its proper divisors (31866685).

80487155 is a wasteful number, since it uses less digits than its factorization.

80487155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328538 (or 328531 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 80487155 is about 8971.4633700417. The cubic root of 80487155 is about 431.7597883669.

The spelling of 80487155 in words is "eighty million, four hundred eighty-seven thousand, one hundred fifty-five".