80134078 has 4 divisors (see below), whose sum is σ = 120201120. Its totient is φ = 40067038.

The previous prime is 80134051. The next prime is 80134111. The reversal of 80134078 is 87043108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20033518 + ... + 20033521.

It is an arithmetic number, because the mean of its divisors is an integer number (30050280).

Almost surely, 2^80134078 is an apocalyptic number.

80134078 is a deficient number, since it is larger than the sum of its proper divisors (40067042).

80134078 is a wasteful number, since it uses less digits than its factorization.

80134078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40067041.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 80134078 is about 8951.7639602483. The cubic root of 80134078 is about 431.1275222307.

The spelling of 80134078 in words is "eighty million, one hundred thirty-four thousand, seventy-eight".