85649650 has 24 divisors (see below), whose sum is σ = 160864704. Its totient is φ = 33925200.

The previous prime is 85649647. The next prime is 85649653. The reversal of 85649650 is 5694658.

It is an interprime number because it is at equal distance from previous prime (85649647) and next prime (85649653).

It is a junction number, because it is equal to n+sod(n) for n = 85649597 and 85649606.

It is not an unprimeable number, because it can be changed into a prime (85649653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3166 + ... + 13465.

It is an arithmetic number, because the mean of its divisors is an integer number (6702696).

Almost surely, 2^85649650 is an apocalyptic number.

85649650 is a deficient number, since it is larger than the sum of its proper divisors (75215054).

85649650 is a wasteful number, since it uses less digits than its factorization.

85649650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16746 (or 16741 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 85649650 is about 9254.7096118679. The cubic root of 85649650 is about 440.8002825252.

The spelling of 85649650 in words is "eighty-five million, six hundred forty-nine thousand, six hundred fifty".