80805778083002 has 48 divisors (see below), whose sum is σ = 150125860805760. Its totient is φ = 32411838195072.

The previous prime is 80805778082999. The next prime is 80805778083007. The reversal of 80805778083002 is 20038087750808.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80805778083007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135184658 + ... + 135781085.

It is an arithmetic number, because the mean of its divisors is an integer number (3127622100120).

Almost surely, 2^{80805778083002} is an apocalyptic number.

80805778083002 is a deficient number, since it is larger than the sum of its proper divisors (69320082722758).

80805778083002 is a wasteful number, since it uses less digits than its factorization.

80805778083002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270965955 (or 270965948 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 80805778083002 in words is "eighty trillion, eight hundred five billion, seven hundred seventy-eight million, eighty-three thousand, two".