80772543 has 12 divisors (see below), whose sum is σ = 116804688. Its totient is φ = 53786880.

The previous prime is 80772539. The next prime is 80772547. The reversal of 80772543 is 34527708.

It is an interprime number because it is at equal distance from previous prime (80772539) and next prime (80772547).

It is not a de Polignac number, because 80772543 - 2² = 80772539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80772498 and 80772507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80772547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4063 + ... + 13343.

It is an arithmetic number, because the mean of its divisors is an integer number (9733724).

Almost surely, 2^80772543 is an apocalyptic number.

80772543 is a deficient number, since it is larger than the sum of its proper divisors (36032145).

80772543 is a wasteful number, since it uses less digits than its factorization.

80772543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10254 (or 10251 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 80772543 is about 8987.3546163485. The cubic root of 80772543 is about 432.2694917006.

The spelling of 80772543 in words is "eighty million, seven hundred seventy-two thousand, five hundred forty-three".