65078087055 has 32 divisors (see below), whose sum is σ = 108556816896. Its totient is φ = 33261481344.

The previous prime is 65078087051. The next prime is 65078087089. The reversal of 65078087055 is 55078087056.

It is not a de Polignac number, because 65078087055 - 2² = 65078087051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65078086989 and 65078087007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65078087051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917667 + ... + 986036.

It is an arithmetic number, because the mean of its divisors is an integer number (3392400528).

Almost surely, 2^65078087055 is an apocalyptic number.

65078087055 is a deficient number, since it is larger than the sum of its proper divisors (43478729841).

65078087055 is a wasteful number, since it uses less digits than its factorization.

65078087055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903807.

The product of its (nonzero) digits is 2352000, while the sum is 51.

Subtracting from 65078087055 its reverse (55078087056), we obtain a palindrome (9999999999).

The spelling of 65078087055 in words is "sixty-five billion, seventy-eight million, eighty-seven thousand, fifty-five".