80419311 has 20 divisors (see below), whose sum is σ = 137295312. Its totient is φ = 45953568.

The previous prime is 80419309. The next prime is 80419319. The reversal of 80419311 is 11391408.

It is not a de Polignac number, because 80419311 - 2¹ = 80419309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80419319) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70350 + ... + 71483.

Almost surely, 2^80419311 is an apocalyptic number.

80419311 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

80419311 is a deficient number, since it is larger than the sum of its proper divisors (56876001).

80419311 is a wasteful number, since it uses less digits than its factorization.

80419311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141852 (or 141843 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 80419311 is about 8967.6814729338. The cubic root of 80419311 is about 431.6384416946.

The spelling of 80419311 in words is "eighty million, four hundred nineteen thousand, three hundred eleven".