64887051 has 16 divisors (see below), whose sum is σ = 89324928. Its totient is φ = 41870400.

The previous prime is 64887037. The next prime is 64887073. The reversal of 64887051 is 15078846.

It is not a de Polignac number, because 64887051 - 2¹⁰ = 64886027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64883051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14100 + ... + 18126.

It is an arithmetic number, because the mean of its divisors is an integer number (5582808).

Almost surely, 2^64887051 is an apocalyptic number.

64887051 is a deficient number, since it is larger than the sum of its proper divisors (24437877).

64887051 is a wasteful number, since it uses less digits than its factorization.

64887051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 64887051 is about 8055.2499030136. The cubic root of 64887051 is about 401.8395500867.

The spelling of 64887051 in words is "sixty-four million, eight hundred eighty-seven thousand, fifty-one".