80539558 has 8 divisors (see below), whose sum is σ = 131792040. Its totient is φ = 36608880.

The previous prime is 80539553. The next prime is 80539597. The reversal of 80539558 is 85593508.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80539553) 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, 1830423 + ... + 1830466.

It is an arithmetic number, because the mean of its divisors is an integer number (16474005).

Almost surely, 2^80539558 is an apocalyptic number.

80539558 is a deficient number, since it is larger than the sum of its proper divisors (51252482).

80539558 is a wasteful number, since it uses less digits than its factorization.

80539558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660902.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 80539558 is about 8974.3834328604. The cubic root of 80539558 is about 431.8534703947.

It can be divided in two parts, 805 and 39558, that multiplied together give a triangular number (31844190 = T₇₉₈₀).

The spelling of 80539558 in words is "eighty million, five hundred thirty-nine thousand, five hundred fifty-eight".