85140345476 has 24 divisors (see below), whose sum is σ = 150062492160. Its totient is φ = 42265942592.

The previous prime is 85140345401. The next prime is 85140345497. The reversal of 85140345476 is 67454304158.

It is a self number, because there is not a number n which added to its sum of digits gives 85140345476.

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, 502640 + ... + 650328.

It is an arithmetic number, because the mean of its divisors is an integer number (6252603840).

Almost surely, 2^85140345476 is an apocalyptic number.

It is an amenable number.

85140345476 is a deficient number, since it is larger than the sum of its proper divisors (64922146684).

85140345476 is a wasteful number, since it uses less digits than its factorization.

85140345476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148723 (or 148721 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 85140345476 in words is "eighty-five billion, one hundred forty million, three hundred forty-five thousand, four hundred seventy-six".