80307023771520 has 3200 divisors, whose sum is σ = 372160636404480. Its totient is φ = 16387080192000.

The previous prime is 80307023771519. The next prime is 80307023771539. The reversal of 80307023771520 is 2517732070308.

It is a happy number.

80307023771520 is a `hidden beast` number, since 8 + 0 + 30 + 7 + 0 + 23 + 7 + 71 + 520 = 666.

It is a super-2 number, since 2×80307023771520² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 399 ways as a sum of consecutive naturals, for example, 50160538720 + ... + 50160540320.

Almost surely, 2^{80307023771520} is an apocalyptic number.

80307023771520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80307023771520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186080318202240).

80307023771520 is an abundant number, since it is smaller than the sum of its proper divisors (291853612632960).

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

80307023771520 is a wasteful number, since it uses less digits than its factorization.

80307023771520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 80307023771520 in words is "eighty trillion, three hundred seven billion, twenty-three million, seven hundred seventy-one thousand, five hundred twenty".