65375222770 has 64 divisors (see below), whose sum is σ = 144258879744. Its totient is φ = 20990027520.

The previous prime is 65375222767. The next prime is 65375222771. The reversal of 65375222770 is 7722257356.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 65375222770.

It is not an unprimeable number, because it can be changed into a prime (65375222771) 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, 960957 + ... + 1026736.

It is an arithmetic number, because the mean of its divisors is an integer number (2254044996).

Almost surely, 2^65375222770 is an apocalyptic number.

65375222770 is an abundant number, since it is smaller than the sum of its proper divisors (78883656974).

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

65375222770 is a wasteful number, since it uses less digits than its factorization.

65375222770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987747.

The product of its (nonzero) digits is 1234800, while the sum is 46.

The spelling of 65375222770 in words is "sixty-five billion, three hundred seventy-five million, two hundred twenty-two thousand, seven hundred seventy".