80607780608 has 36 divisors (see below), whose sum is σ = 162404487000. Its totient is φ = 39927204864.

The previous prime is 80607780551. The next prime is 80607780619. The reversal of 80607780608 is 80608770608.

It is a happy number.

It is a super-2 number, since 2×80607780608² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443983 + ... + 1498766.

It is an arithmetic number, because the mean of its divisors is an integer number (4511235750).

Almost surely, 2^80607780608 is an apocalyptic number.

It is an amenable number.

80607780608 is an abundant number, since it is smaller than the sum of its proper divisors (81796706392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80607780608 is a wasteful number, since it uses less digits than its factorization.

80607780608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942872 (or 2942858 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 80607780608 in words is "eighty billion, six hundred seven million, seven hundred eighty thousand, six hundred eight".