80842037 has 8 divisors (see below), whose sum is σ = 82940760. Its totient is φ = 78749440.

The previous prime is 80841991. The next prime is 80842049. The reversal of 80842037 is 73024808.

It can be written as a sum of positive squares in 4 ways, for example, as 1168561 + 79673476 = 1081^2 + 8926^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80842037 - 2²² = 76647733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80841994 and 80842012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80842057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38039 + ... + 40107.

It is an arithmetic number, because the mean of its divisors is an integer number (10367595).

Almost surely, 2^80842037 is an apocalyptic number.

It is an amenable number.

80842037 is a deficient number, since it is larger than the sum of its proper divisors (2098723).

80842037 is a wasteful number, since it uses less digits than its factorization.

80842037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 80842037 is about 8991.2199950841. The cubic root of 80842037 is about 432.3934262452.

The spelling of 80842037 in words is "eighty million, eight hundred forty-two thousand, thirty-seven".