80898912 has 180 divisors, whose sum is σ = 252931140. Its totient is φ = 25356672.

The previous prime is 80898907. The next prime is 80898913. The reversal of 80898912 is 21989808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80898913) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1371139 + ... + 1371197.

It is an arithmetic number, because the mean of its divisors is an integer number (1405173).

Almost surely, 2^80898912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80898912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126465570).

80898912 is an abundant number, since it is smaller than the sum of its proper divisors (172032228).

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

80898912 is a wasteful number, since it uses less digits than its factorization.

80898912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 80898912 is about 8994.3822467138. The cubic root of 80898912 is about 432.4948034169.

It can be divided in two parts, 80898 and 912, that added together give a triangular number (81810 = T₄₀₄).

The spelling of 80898912 in words is "eighty million, eight hundred ninety-eight thousand, nine hundred twelve".