80053779 has 12 divisors (see below), whose sum is σ = 115581336. Its totient is φ = 49263552.

The previous prime is 80053759. The next prime is 80053789. The reversal of 80053779 is 97735008.

It is not a de Polignac number, because 80053779 - 2⁷ = 80053651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (80053709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78442 + ... + 79455.

It is an arithmetic number, because the mean of its divisors is an integer number (9631778).

Almost surely, 2^80053779 is an apocalyptic number.

80053779 is a deficient number, since it is larger than the sum of its proper divisors (35527557).

80053779 is a wasteful number, since it uses less digits than its factorization.

80053779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157926 (or 157913 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 80053779 is about 8947.2777424198. The cubic root of 80053779 is about 430.9834691650.

The spelling of 80053779 in words is "eighty million, fifty-three thousand, seven hundred seventy-nine".