80578934 has 4 divisors (see below), whose sum is σ = 120868404. Its totient is φ = 40289466.

The previous prime is 80578931. The next prime is 80578937. The reversal of 80578934 is 43987508.

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

It is an interprime number because it is at equal distance from previous prime (80578931) and next prime (80578937).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80578931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20144732 + ... + 20144735.

It is an arithmetic number, because the mean of its divisors is an integer number (30217101).

Almost surely, 2^80578934 is an apocalyptic number.

80578934 is a deficient number, since it is larger than the sum of its proper divisors (40289470).

80578934 is a wasteful number, since it uses less digits than its factorization.

80578934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40289469.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 80578934 is about 8976.5769645227. The cubic root of 80578934 is about 431.9238370245.

The spelling of 80578934 in words is "eighty million, five hundred seventy-eight thousand, nine hundred thirty-four".