80973837 has 20 divisors (see below), whose sum is σ = 138242016. Its totient is φ = 46270440.

The previous prime is 80973833. The next prime is 80973853. The reversal of 80973837 is 73837908.

It is not a de Polignac number, because 80973837 - 2² = 80973833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80973792 and 80973801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80973833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70839 + ... + 71972.

Almost surely, 2^80973837 is an apocalyptic number.

It is an amenable number.

80973837 is a deficient number, since it is larger than the sum of its proper divisors (57268179).

80973837 is a wasteful number, since it uses less digits than its factorization.

80973837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142830 (or 142821 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 80973837 is about 8998.5463826109. The cubic root of 80973837 is about 432.6282814146.

It can be divided in two parts, 80973 and 837, that added together give a triangular number (81810 = T₄₀₄).

The spelling of 80973837 in words is "eighty million, nine hundred seventy-three thousand, eight hundred thirty-seven".