80669134 has 16 divisors (see below), whose sum is σ = 148927968. Its totient is φ = 31912992.

The previous prime is 80669093. The next prime is 80669153. The reversal of 80669134 is 43196608.

It is a junction number, because it is equal to n+sod(n) for n = 80669093 and 80669102.

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, 221437 + ... + 221800.

It is an arithmetic number, because the mean of its divisors is an integer number (9307998).

Almost surely, 2^80669134 is an apocalyptic number.

80669134 is a deficient number, since it is larger than the sum of its proper divisors (68258834).

80669134 is a wasteful number, since it uses less digits than its factorization.

80669134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443259.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 80669134 is about 8981.5997461477. The cubic root of 80669134 is about 432.0849420020.

The spelling of 80669134 in words is "eighty million, six hundred sixty-nine thousand, one hundred thirty-four".