64797356456 has 16 divisors (see below), whose sum is σ = 138851478240. Its totient is φ = 27770295600.

The previous prime is 64797356423. The next prime is 64797356483. The reversal of 64797356456 is 65465379746.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 578547770 + ... + 578547881.

It is an arithmetic number, because the mean of its divisors is an integer number (8678217390).

Almost surely, 2^64797356456 is an apocalyptic number.

It is an amenable number.

64797356456 is an abundant number, since it is smaller than the sum of its proper divisors (74054121784).

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

64797356456 is a wasteful number, since it uses less digits than its factorization.

64797356456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157095664 (or 1157095660 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 62.

The spelling of 64797356456 in words is "sixty-four billion, seven hundred ninety-seven million, three hundred fifty-six thousand, four hundred fifty-six".