8219299987080 has 256 divisors, whose sum is σ = 33720205478400. Its totient is φ = 1734181954560.

The previous prime is 8219299986943. The next prime is 8219299987081. The reversal of 8219299987080 is 807899929128.

It is a super-2 number, since 2×8219299987080² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (8219299987081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41717451 + ... + 41914010.

It is an arithmetic number, because the mean of its divisors is an integer number (131719552650).

Almost surely, 2^{8219299987080} is an apocalyptic number.

It is an amenable number.

8219299987080 is an abundant number, since it is smaller than the sum of its proper divisors (25500905491320).

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

8219299987080 is a wasteful number, since it uses less digits than its factorization.

8219299987080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83631501 (or 83631491 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 72.

The spelling of 8219299987080 in words is "eight trillion, two hundred nineteen billion, two hundred ninety-nine million, nine hundred eighty-seven thousand, eighty".