63162987 has 4 divisors (see below), whose sum is σ = 84217320. Its totient is φ = 42108656.

The previous prime is 63162943. The next prime is 63163013. The reversal of 63162987 is 78926136.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63162987 - 2¹⁰ = 63161963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63162937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10527162 + ... + 10527167.

It is an arithmetic number, because the mean of its divisors is an integer number (21054330).

Almost surely, 2^63162987 is an apocalyptic number.

63162987 is a deficient number, since it is larger than the sum of its proper divisors (21054333).

63162987 is a wasteful number, since it uses less digits than its factorization.

63162987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21054332.

The product of its digits is 108864, while the sum is 42.

The square root of 63162987 is about 7947.5145171305. The cubic root of 63162987 is about 398.2485653008.

The spelling of 63162987 in words is "sixty-three million, one hundred sixty-two thousand, nine hundred eighty-seven".