80111742 has 16 divisors (see below), whose sum is σ = 160392960. Its totient is φ = 26675672.

The previous prime is 80111741. The next prime is 80111747. The reversal of 80111742 is 24711108.

It is a super-3 number, since 3×80111742³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80111741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438 + ... + 12665.

It is an arithmetic number, because the mean of its divisors is an integer number (10024560).

Almost surely, 2^80111742 is an apocalyptic number.

80111742 is an abundant number, since it is smaller than the sum of its proper divisors (80281218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80111742 is a wasteful number, since it uses less digits than its factorization.

80111742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 80111742 is about 8950.5162979573. The cubic root of 80111742 is about 431.0874620406.

The spelling of 80111742 in words is "eighty million, one hundred eleven thousand, seven hundred forty-two".