80836354 has 4 divisors (see below), whose sum is σ = 121254534. Its totient is φ = 40418176.

The previous prime is 80836351. The next prime is 80836367. The reversal of 80836354 is 45363808.

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

It can be written as a sum of positive squares in only one way, i.e., 75290329 + 5546025 = 8677^2 + 2355^2 .

It is a super-2 number, since 2×80836354² = 13069032256026632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80836351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20209087 + ... + 20209090.

Almost surely, 2^80836354 is an apocalyptic number.

80836354 is a deficient number, since it is larger than the sum of its proper divisors (40418180).

80836354 is a wasteful number, since it uses less digits than its factorization.

80836354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40418179.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 80836354 is about 8990.9039590021. The cubic root of 80836354 is about 432.3832939365.

The spelling of 80836354 in words is "eighty million, eight hundred thirty-six thousand, three hundred fifty-four".