80899270719516 has 30 divisors (see below), whose sum is σ = 211486673764520. Its totient is φ = 26966423573064.

The previous prime is 80899270719473. The next prime is 80899270719517. The reversal of 80899270719516 is 61591707299808.

It is a happy number.

80899270719516 is a `hidden beast` number, since 8 + 0 + 8 + 9 + 92 + 7 + 0 + 7 + 19 + 516 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80899270719517) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124844553256 + ... + 124844553903.

Almost surely, 2^{80899270719516} is an apocalyptic number.

It is an amenable number.

80899270719516 is an abundant number, since it is smaller than the sum of its proper divisors (130587403045004).

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

80899270719516 is a wasteful number, since it uses less digits than its factorization.

80899270719516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249689107175 (or 249689107164 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 72.

The spelling of 80899270719516 in words is "eighty trillion, eight hundred ninety-nine billion, two hundred seventy million, seven hundred nineteen thousand, five hundred sixteen".