80690558 has 8 divisors (see below), whose sum is σ = 130346328. Its totient is φ = 37241784.

The previous prime is 80690537. The next prime is 80690563. The reversal of 80690558 is 85509608.

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

It is a super-3 number, since 3×80690558³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551716 + ... + 1551767.

It is an arithmetic number, because the mean of its divisors is an integer number (16293291).

Almost surely, 2^80690558 is an apocalyptic number.

80690558 is a deficient number, since it is larger than the sum of its proper divisors (49655770).

80690558 is a wasteful number, since it uses less digits than its factorization.

80690558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103498.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 80690558 is about 8982.7923275561. The cubic root of 80690558 is about 432.1231894620.

The spelling of 80690558 in words is "eighty million, six hundred ninety thousand, five hundred fifty-eight".