80769542 has 12 divisors (see below), whose sum is σ = 140934780. Its totient is φ = 34615476.

The previous prime is 80769527. The next prime is 80769569. The reversal of 80769542 is 24596708.

It is a self number, because there is not a number n which added to its sum of digits gives 80769542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411992 + ... + 412187.

It is an arithmetic number, because the mean of its divisors is an integer number (11744565).

Almost surely, 2^80769542 is an apocalyptic number.

80769542 is a deficient number, since it is larger than the sum of its proper divisors (60165238).

80769542 is a wasteful number, since it uses less digits than its factorization.

80769542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824195 (or 824188 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 80769542 is about 8987.1876579940. The cubic root of 80769542 is about 432.2641381619.

The spelling of 80769542 in words is "eighty million, seven hundred sixty-nine thousand, five hundred forty-two".