85697480 has 32 divisors (see below), whose sum is σ = 210349440. Its totient is φ = 31162560.

The previous prime is 85697461. The next prime is 85697501. The reversal of 85697480 is 8479658.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96944 + ... + 97823.

It is an arithmetic number, because the mean of its divisors is an integer number (6573420).

Almost surely, 2^85697480 is an apocalyptic number.

It is an amenable number.

85697480 is an abundant number, since it is smaller than the sum of its proper divisors (124651960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85697480 is a wasteful number, since it uses less digits than its factorization.

85697480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194789 (or 194785 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 85697480 is about 9257.2933409285. The cubic root of 85697480 is about 440.8823204325.

The spelling of 85697480 in words is "eighty-five million, six hundred ninety-seven thousand, four hundred eighty".