85147810 has 16 divisors (see below), whose sum is σ = 167199552. Its totient is φ = 30962800.

The previous prime is 85147801. The next prime is 85147823. The reversal of 85147810 is 1874158.

It is a super-2 number, since 2×85147810² = 14500299095592200, which contains 22 as substring.

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, 386926 + ... + 387145.

It is an arithmetic number, because the mean of its divisors is an integer number (10449972).

Almost surely, 2^85147810 is an apocalyptic number.

85147810 is a deficient number, since it is larger than the sum of its proper divisors (82051742).

85147810 is a wasteful number, since it uses less digits than its factorization.

85147810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774089.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 85147810 is about 9227.5570981707. The cubic root of 85147810 is about 439.9376805677.

The spelling of 85147810 in words is "eighty-five million, one hundred forty-seven thousand, eight hundred ten".