65375780522 has 24 divisors (see below), whose sum is σ = 106202565504. Its totient is φ = 30169096464.

The previous prime is 65375780513. The next prime is 65375780531. The reversal of 65375780522 is 22508757356.

It is an interprime number because it is at equal distance from previous prime (65375780513) and next prime (65375780531).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4563623 + ... + 4577925.

It is an arithmetic number, because the mean of its divisors is an integer number (4425106896).

Almost surely, 2^65375780522 is an apocalyptic number.

65375780522 is a deficient number, since it is larger than the sum of its proper divisors (40826784982).

65375780522 is a wasteful number, since it uses less digits than its factorization.

65375780522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27854 (or 27841 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 65375780522 in words is "sixty-five billion, three hundred seventy-five million, seven hundred eighty thousand, five hundred twenty-two".