80949792 has 192 divisors, whose sum is σ = 271724544. Its totient is φ = 20490240.

The previous prime is 80949769. The next prime is 80949793. The reversal of 80949792 is 29794908.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80949793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347308 + ... + 347540.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232).

Almost surely, 2^80949792 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 80949792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135862272).

80949792 is an abundant number, since it is smaller than the sum of its proper divisors (190774752).

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

80949792 is a wasteful number, since it uses less digits than its factorization.

80949792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 80949792 is about 8997.2102342893. The cubic root of 80949792 is about 432.5854545080.

The spelling of 80949792 in words is "eighty million, nine hundred forty-nine thousand, seven hundred ninety-two".