7452855705647 has 24 divisors (see below), whose sum is σ = 8269842773808. Its totient is φ = 6711230261120.

The previous prime is 7452855705643. The next prime is 7452855705653. The reversal of 7452855705647 is 7465075582547.

It is a happy number.

It is not a de Polignac number, because 7452855705647 - 2² = 7452855705643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7452855705643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4722323 + ... + 6099675.

It is an arithmetic number, because the mean of its divisors is an integer number (344576782242).

Almost surely, 2^{7452855705647} is an apocalyptic number.

7452855705647 is a deficient number, since it is larger than the sum of its proper divisors (816987068161).

7452855705647 is a wasteful number, since it uses less digits than its factorization.

7452855705647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377799 (or 1377788 counting only the distinct ones).

The product of its (nonzero) digits is 329280000, while the sum is 65.

The spelling of 7452855705647 in words is "seven trillion, four hundred fifty-two billion, eight hundred fifty-five million, seven hundred five thousand, six hundred forty-seven".