80766036 has 144 divisors (see below), whose sum is σ = 239715840. Its totient is φ = 22705920.

The previous prime is 80766029. The next prime is 80766071. The reversal of 80766036 is 63066708.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275506 + ... + 275798.

Almost surely, 2^80766036 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 80766036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119857920).

80766036 is an abundant number, since it is smaller than the sum of its proper divisors (158949804).

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

80766036 is a wasteful number, since it uses less digits than its factorization.

80766036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 80766036 is about 8986.9926004198. The cubic root of 80766036 is about 432.2578835765.

The spelling of 80766036 in words is "eighty million, seven hundred sixty-six thousand, thirty-six".