80753511 has 4 divisors (see below), whose sum is σ = 107671352. Its totient is φ = 53835672.

The previous prime is 80753507. The next prime is 80753513. The reversal of 80753511 is 11535708.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80753511 - 2² = 80753507 is a prime.

It is a super-2 number, since 2×80753511² = 13042259077654242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80753513) 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 3 ways as a sum of consecutive naturals, for example, 13458916 + ... + 13458921.

It is an arithmetic number, because the mean of its divisors is an integer number (26917838).

Almost surely, 2^80753511 is an apocalyptic number.

80753511 is a deficient number, since it is larger than the sum of its proper divisors (26917841).

80753511 is a wasteful number, since it uses less digits than its factorization.

80753511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26917840.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 80753511 is about 8986.2957329480. The cubic root of 80753511 is about 432.2355379217.

The spelling of 80753511 in words is "eighty million, seven hundred fifty-three thousand, five hundred eleven".