64271711777296 has 45 divisors (see below), whose sum is σ = 125437459839471. Its totient is φ = 31902449998752.

The previous prime is 64271711777269. The next prime is 64271711777303. The reversal of 64271711777296 is 69277711717246.

The square root of 64271711777296 is 8016964.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×64271711777296² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4457424775 + ... + 4457439193.

Almost surely, 2^{64271711777296} is an apocalyptic number.

64271711777296 is the 8016964-th square number.

It is an amenable number.

64271711777296 is a deficient number, since it is larger than the sum of its proper divisors (61165748062175).

64271711777296 is an frugal number, since it uses more digits than its factorization.

64271711777296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29124 (or 14560 counting only the distinct ones).

The product of its digits is 87127488, while the sum is 67.

The spelling of 64271711777296 in words is "sixty-four trillion, two hundred seventy-one billion, seven hundred eleven million, seven hundred seventy-seven thousand, two hundred ninety-six".