85387840210 has 32 divisors (see below), whose sum is σ = 162903716352. Its totient is φ = 32113509120.

The previous prime is 85387840141. The next prime is 85387840243. The reversal of 85387840210 is 1204878358.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84952 + ... + 421891.

It is an arithmetic number, because the mean of its divisors is an integer number (5090741136).

Almost surely, 2^85387840210 is an apocalyptic number.

85387840210 is a deficient number, since it is larger than the sum of its proper divisors (77515876142).

85387840210 is a wasteful number, since it uses less digits than its factorization.

85387840210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507858.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 85387840210 in words is "eighty-five billion, three hundred eighty-seven million, eight hundred forty thousand, two hundred ten".