80898906193920 has 1496 divisors, whose sum is σ = 301750268944536. Its totient is φ = 20804234379264.

The previous prime is 80898906193907. The next prime is 80898906193969. The reversal of 80898906193920 is 2939160989808.

It is a happy number.

80898906193920 is a `hidden beast` number, since 8 + 0 + 8 + 98 + 90 + 61 + 9 + 392 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3962711310336 + 76936194883584 = 1990656^2 + 8771328^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 87 ways as a sum of consecutive naturals, for example, 715919523784 + ... + 715919523896.

Almost surely, 2^{80898906193920} is an apocalyptic number.

80898906193920 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 80898906193920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150875134472268).

80898906193920 is an abundant number, since it is smaller than the sum of its proper divisors (220851362750616).

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

80898906193920 is an frugal number, since it uses more digits than its factorization.

80898906193920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 72.

The spelling of 80898906193920 in words is "eighty trillion, eight hundred ninety-eight billion, nine hundred six million, one hundred ninety-three thousand, nine hundred twenty".