65326948977 has 16 divisors (see below), whose sum is σ = 90258157440. Its totient is φ = 41978587392.

The previous prime is 65326948943. The next prime is 65326949011. The reversal of 65326948977 is 77984962356.

65326948977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65326948943) and next prime (65326949011).

It is not a de Polignac number, because 65326948977 - 2¹⁶ = 65326883441 is a prime.

It is a super-2 number, since 2×65326948977² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65326948927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581533 + ... + 684714.

It is an arithmetic number, because the mean of its divisors is an integer number (5641134840).

Almost surely, 2^65326948977 is an apocalyptic number.

It is an amenable number.

65326948977 is a deficient number, since it is larger than the sum of its proper divisors (24931208463).

65326948977 is a wasteful number, since it uses less digits than its factorization.

65326948977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266872.

The product of its digits is 137168640, while the sum is 66.

The spelling of 65326948977 in words is "sixty-five billion, three hundred twenty-six million, nine hundred forty-eight thousand, nine hundred seventy-seven".