80822687580 has 72 divisors (see below), whose sum is σ = 259583465232. Its totient is φ = 20284909056.

The previous prime is 80822687579. The next prime is 80822687581. The reversal of 80822687580 is 8578622808.

It is an interprime number because it is at equal distance from previous prime (80822687579) and next prime (80822687581).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80822687581) 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, 13203262 + ... + 13209381.

It is an arithmetic number, because the mean of its divisors is an integer number (3605325906).

Almost surely, 2^80822687580 is an apocalyptic number.

It is an amenable number.

80822687580 is an abundant number, since it is smaller than the sum of its proper divisors (178760777652).

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

80822687580 is a wasteful number, since it uses less digits than its factorization.

80822687580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26412675 (or 26412670 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 80822687580 in words is "eighty billion, eight hundred twenty-two million, six hundred eighty-seven thousand, five hundred eighty".