85747078 has 8 divisors (see below), whose sum is σ = 128676168. Its totient is φ = 42855024.

The previous prime is 85747063. The next prime is 85747087. The reversal of 85747078 is 87074758.

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

It is a super-2 number, since 2×85747078² = 14705122771076168, which contains 22 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, 2476 + ... + 13327.

It is an arithmetic number, because the mean of its divisors is an integer number (16084521).

Almost surely, 2^85747078 is an apocalyptic number.

85747078 is a deficient number, since it is larger than the sum of its proper divisors (42929090).

85747078 is a wasteful number, since it uses less digits than its factorization.

85747078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 85747078 is about 9259.9718142120. The cubic root of 85747078 is about 440.9673585773.

The spelling of 85747078 in words is "eighty-five million, seven hundred forty-seven thousand, seventy-eight".