80662542 has 16 divisors (see below), whose sum is σ = 161438160. Its totient is φ = 26868672.

The previous prime is 80662537. The next prime is 80662567. The reversal of 80662542 is 24526608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6684 + ... + 14352.

It is an arithmetic number, because the mean of its divisors is an integer number (10089885).

Almost surely, 2^80662542 is an apocalyptic number.

80662542 is an abundant number, since it is smaller than the sum of its proper divisors (80775618).

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

80662542 is a wasteful number, since it uses less digits than its factorization.

80662542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 80662542 is about 8981.2327661630. The cubic root of 80662542 is about 432.0731721904.

The spelling of 80662542 in words is "eighty million, six hundred sixty-two thousand, five hundred forty-two".