80950357 has 4 divisors (see below), whose sum is σ = 82059340. Its totient is φ = 79841376.

The previous prime is 80950351. The next prime is 80950367. The reversal of 80950357 is 75305908.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70459236 + 10491121 = 8394^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 80950357 - 2³ = 80950349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80950351) 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 3 ways as a sum of consecutive naturals, for example, 554382 + ... + 554527.

It is an arithmetic number, because the mean of its divisors is an integer number (20514835).

Almost surely, 2^80950357 is an apocalyptic number.

It is an amenable number.

80950357 is a deficient number, since it is larger than the sum of its proper divisors (1108983).

80950357 is a wasteful number, since it uses less digits than its factorization.

80950357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108982.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 80950357 is about 8997.2416328561. The cubic root of 80950357 is about 432.5864609351.

The spelling of 80950357 in words is "eighty million, nine hundred fifty thousand, three hundred fifty-seven".