80867137 has 8 divisors (see below), whose sum is σ = 88281704. Its totient is φ = 73623168.

The previous prime is 80867107. The next prime is 80867179. The reversal of 80867137 is 73176808.

It can be written as a sum of positive squares in 4 ways, for example, as 3444736 + 77422401 = 1856^2 + 8799^2 .

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 80867137 - 2¹¹ = 80865089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80867137.

It is not an unprimeable number, because it can be changed into a prime (80867107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41658 + ... + 43555.

It is an arithmetic number, because the mean of its divisors is an integer number (11035213).

Almost surely, 2^80867137 is an apocalyptic number.

It is an amenable number.

80867137 is a deficient number, since it is larger than the sum of its proper divisors (7414567).

80867137 is a wasteful number, since it uses less digits than its factorization.

80867137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85299.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 80867137 is about 8992.6156928894. The cubic root of 80867137 is about 432.4381717447.

The spelling of 80867137 in words is "eighty million, eight hundred sixty-seven thousand, one hundred thirty-seven".