80825387 has 4 divisors (see below), whose sum is σ = 80873760. Its totient is φ = 80777016.

The previous prime is 80825377. The next prime is 80825389. The reversal of 80825387 is 78352808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80825387 - 2¹⁶ = 80759851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80825389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21587 + ... + 25052.

It is an arithmetic number, because the mean of its divisors is an integer number (20218440).

Almost surely, 2^80825387 is an apocalyptic number.

80825387 is a deficient number, since it is larger than the sum of its proper divisors (48373).

80825387 is a wasteful number, since it uses less digits than its factorization.

80825387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48372.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 80825387 is about 8990.2940441345. The cubic root of 80825387 is about 432.3637393599.

The spelling of 80825387 in words is "eighty million, eight hundred twenty-five thousand, three hundred eighty-seven".