65376947478 has 32 divisors (see below), whose sum is σ = 133371334656. Its totient is φ = 21360211488.

The previous prime is 65376947477. The next prime is 65376947509. The reversal of 65376947478 is 87474967356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65376947477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453601 + ... + 580092.

It is an arithmetic number, because the mean of its divisors is an integer number (4167854208).

Almost surely, 2^65376947478 is an apocalyptic number.

65376947478 is an abundant number, since it is smaller than the sum of its proper divisors (67994387178).

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

65376947478 is a wasteful number, since it uses less digits than its factorization.

65376947478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033908.

The product of its digits is 213373440, while the sum is 66.

The spelling of 65376947478 in words is "sixty-five billion, three hundred seventy-six million, nine hundred forty-seven thousand, four hundred seventy-eight".