61272931327 has 8 divisors (see below), whose sum is σ = 62946982976. Its totient is φ = 59599828512.

The previous prime is 61272931303. The next prime is 61272931333. The reversal of 61272931327 is 72313927216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61272931327 - 2⁷ = 61272931199 is a prime.

It is a super-2 number, since 2×61272931327² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61272931927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105303 + ... + 365560.

It is an arithmetic number, because the mean of its divisors is an integer number (7868372872).

Almost surely, 2^61272931327 is an apocalyptic number.

61272931327 is a deficient number, since it is larger than the sum of its proper divisors (1674051649).

61272931327 is a wasteful number, since it uses less digits than its factorization.

61272931327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474417.

The product of its digits is 190512, while the sum is 43.

The spelling of 61272931327 in words is "sixty-one billion, two hundred seventy-two million, nine hundred thirty-one thousand, three hundred twenty-seven".