80519996 has 6 divisors (see below), whose sum is σ = 140910000. Its totient is φ = 40259996.

The previous prime is 80519993. The next prime is 80520019. The reversal of 80519996 is 69991508.

It is a self number, because there is not a number n which added to its sum of digits gives 80519996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80519993) 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 as a sum of consecutive naturals, namely, 10064996 + ... + 10065003.

It is an arithmetic number, because the mean of its divisors is an integer number (23485000).

Almost surely, 2^80519996 is an apocalyptic number.

It is an amenable number.

80519996 is a deficient number, since it is larger than the sum of its proper divisors (60390004).

80519996 is a wasteful number, since it uses less digits than its factorization.

80519996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20130003 (or 20130001 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 80519996 is about 8973.2934867862. The cubic root of 80519996 is about 431.8185037197.

The spelling of 80519996 in words is "eighty million, five hundred nineteen thousand, nine hundred ninety-six".