63742887 has 24 divisors (see below), whose sum is σ = 99428784. Its totient is φ = 39118464.

The previous prime is 63742879. The next prime is 63742907. The reversal of 63742887 is 78824736.

It is a happy number.

63742887 is a `hidden beast` number, since 637 + 4 + 2 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 63742887 - 2³ = 63742879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63742807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71748 + ... + 72630.

It is an arithmetic number, because the mean of its divisors is an integer number (4142866).

Almost surely, 2^63742887 is an apocalyptic number.

63742887 is a deficient number, since it is larger than the sum of its proper divisors (35685897).

63742887 is a wasteful number, since it uses less digits than its factorization.

63742887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1516 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 63742887 is about 7983.9142655717. The cubic root of 63742887 is about 399.4636290035.

It can be divided in two parts, 6374 and 2887, that added together give a cube (9261 = 21³).

The spelling of 63742887 in words is "sixty-three million, seven hundred forty-two thousand, eight hundred eighty-seven".