7457964847 has 4 divisors (see below), whose sum is σ = 7458216480. Its totient is φ = 7457713216.

The previous prime is 7457964827. The next prime is 7457964853. The reversal of 7457964847 is 7484697547.

7457964847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7484697547 = 11027 ⋅678761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7457964847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457964817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74338 + ... + 142975.

It is an arithmetic number, because the mean of its divisors is an integer number (1864554120).

Almost surely, 2^7457964847 is an apocalyptic number.

7457964847 is a deficient number, since it is larger than the sum of its proper divisors (251633).

7457964847 is a wasteful number, since it uses less digits than its factorization.

7457964847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251632.

The product of its digits is 47416320, while the sum is 61.

The square root of 7457964847 is about 86359.5093026819. The cubic root of 7457964847 is about 1953.7700325676.

The spelling of 7457964847 in words is "seven billion, four hundred fifty-seven million, nine hundred sixty-four thousand, eight hundred forty-seven".