65400702855 has 32 divisors (see below), whose sum is σ = 105032582400. Its totient is φ = 34750045440.

The previous prime is 65400702827. The next prime is 65400702893. The reversal of 65400702855 is 55820700456.

It is not a de Polignac number, because 65400702855 - 2⁵ = 65400702823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8431659 + ... + 8439411.

It is an arithmetic number, because the mean of its divisors is an integer number (3282268200).

Almost surely, 2^65400702855 is an apocalyptic number.

65400702855 is a deficient number, since it is larger than the sum of its proper divisors (39631879545).

65400702855 is a wasteful number, since it uses less digits than its factorization.

65400702855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9791.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 65400702855 in words is "sixty-five billion, four hundred million, seven hundred two thousand, eight hundred fifty-five".