64887276350 has 96 divisors (see below), whose sum is σ = 131133523584. Its totient is φ = 23745571200.

The previous prime is 64887276343. The next prime is 64887276373. The reversal of 64887276350 is 5367278846.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55411265 + ... + 55412435.

It is an arithmetic number, because the mean of its divisors is an integer number (1365974204).

Almost surely, 2^64887276350 is an apocalyptic number.

64887276350 is an abundant number, since it is smaller than the sum of its proper divisors (66246247234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64887276350 is a wasteful number, since it uses less digits than its factorization.

64887276350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 64887276350 in words is "sixty-four billion, eight hundred eighty-seven million, two hundred seventy-six thousand, three hundred fifty".