80616942 has 48 divisors (see below), whose sum is σ = 201102720. Its totient is φ = 22862736.

The previous prime is 80616923. The next prime is 80616971. The reversal of 80616942 is 24961608.

It is a junction number, because it is equal to n+sod(n) for n = 80616897 and 80616906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15213 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (4189640).

Almost surely, 2^80616942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80616942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100551360).

80616942 is an abundant number, since it is smaller than the sum of its proper divisors (120485778).

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

80616942 is a wasteful number, since it uses less digits than its factorization.

80616942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757 (or 4754 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 80616942 is about 8978.6937802778. The cubic root of 80616942 is about 431.9917372391.

The spelling of 80616942 in words is "eighty million, six hundred sixteen thousand, nine hundred forty-two".