80274811 has 4 divisors (see below), whose sum is σ = 80300592. Its totient is φ = 80249032.

The previous prime is 80274773. The next prime is 80274827. The reversal of 80274811 is 11847208.

80274811 = T₇₃₁₄ + T₇₃₁₅ + T₇₃₁₆.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80274811 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80274611) 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, 7456 + ... + 14701.

It is an arithmetic number, because the mean of its divisors is an integer number (20075148).

Almost surely, 2^80274811 is an apocalyptic number.

80274811 is the 7316-th centered triangular number.

80274811 is a deficient number, since it is larger than the sum of its proper divisors (25781).

80274811 is a wasteful number, since it uses less digits than its factorization.

80274811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 80274811 is about 8959.6211415439. The cubic root of 80274811 is about 431.3797594263.

The spelling of 80274811 in words is "eighty million, two hundred seventy-four thousand, eight hundred eleven".