65487225078 has 48 divisors (see below), whose sum is σ = 155001240576. Its totient is φ = 19817273520.

The previous prime is 65487225073. The next prime is 65487225091. The reversal of 65487225078 is 87052278456.

65487225078 is a `hidden beast` number, since 6 + 54 + 87 + 2 + 2 + 507 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65487225073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83526 + ... + 371417.

It is an arithmetic number, because the mean of its divisors is an integer number (3229192512).

Almost surely, 2^65487225078 is an apocalyptic number.

65487225078 is an abundant number, since it is smaller than the sum of its proper divisors (89514015498).

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

65487225078 is a wasteful number, since it uses less digits than its factorization.

65487225078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455689 (or 455686 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 65487225078 in words is "sixty-five billion, four hundred eighty-seven million, two hundred twenty-five thousand, seventy-eight".