7727423406534 has 192 divisors, whose sum is σ = 18363583090944. Its totient is φ = 2334099898368.

The previous prime is 7727423406517. The next prime is 7727423406553. The reversal of 7727423406534 is 4356043247277.

7727423406534 is a `hidden beast` number, since 7 + 7 + 2 + 74 + 2 + 34 + 0 + 6 + 534 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6349566694 + ... + 6349567910.

It is an arithmetic number, because the mean of its divisors is an integer number (95643661932).

Almost surely, 2^{7727423406534} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7727423406534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9181791545472).

7727423406534 is an abundant number, since it is smaller than the sum of its proper divisors (10636159684410).

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

7727423406534 is a wasteful number, since it uses less digits than its factorization.

7727423406534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 54.

The spelling of 7727423406534 in words is "seven trillion, seven hundred twenty-seven billion, four hundred twenty-three million, four hundred six thousand, five hundred thirty-four".