80788551 has 12 divisors (see below), whose sum is σ = 113687352. Its totient is φ = 51023664.

The previous prime is 80788517. The next prime is 80788553. The reversal of 80788551 is 15588708.

It is not a de Polignac number, because 80788551 - 2⁹ = 80788039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80788553) 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, 36216 + ... + 38381.

It is an arithmetic number, because the mean of its divisors is an integer number (9473946).

Almost surely, 2^80788551 is an apocalyptic number.

80788551 is a deficient number, since it is larger than the sum of its proper divisors (32898801).

80788551 is a wasteful number, since it uses less digits than its factorization.

80788551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74638 (or 74619 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 42.

The square root of 80788551 is about 8988.2451568702. The cubic root of 80788551 is about 432.2980464243.

The spelling of 80788551 in words is "eighty million, seven hundred eighty-eight thousand, five hundred fifty-one".