60647985 has 12 divisors (see below), whose sum is σ = 105123252. Its totient is φ = 32345568.

The previous prime is 60647971. The next prime is 60647999. The reversal of 60647985 is 58974606.

It is an interprime number because it is at equal distance from previous prime (60647971) and next prime (60647999).

It can be written as a sum of positive squares in 2 ways, for example, as 29778849 + 30869136 = 5457^2 + 5556^2 .

It is not a de Polignac number, because 60647985 - 2⁹ = 60647473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1347733 = 60647985 / (6 + 0 + 6 + 4 + 7 + 9 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60647985.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673822 + ... + 673911.

It is an arithmetic number, because the mean of its divisors is an integer number (8760271).

Almost surely, 2^60647985 is an apocalyptic number.

It is an amenable number.

60647985 is a deficient number, since it is larger than the sum of its proper divisors (44475267).

60647985 is a wasteful number, since it uses less digits than its factorization.

60647985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347744 (or 1347741 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 60647985 is about 7787.6816190700. The cubic root of 60647985 is about 392.8910406327.

The spelling of 60647985 in words is "sixty million, six hundred forty-seven thousand, nine hundred eighty-five".