7488778847 has 16 divisors (see below), whose sum is σ = 8226761760. Its totient is φ = 6760425600.

The previous prime is 7488778819. The next prime is 7488778853.

7488778847 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7488778847 - 2²⁴ = 7472001631 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 (7488778147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017229 + ... + 2020937.

It is an arithmetic number, because the mean of its divisors is an integer number (514172610).

Almost surely, 2^7488778847 is an apocalyptic number.

7488778847 is a deficient number, since it is larger than the sum of its proper divisors (737982913).

7488778847 is a wasteful number, since it uses less digits than its factorization.

7488778847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954.

The product of its digits is 157351936, while the sum is 68.

The square root of 7488778847 is about 86537.7307710342. The cubic root of 7488778847 is about 1956.4571260211.

The spelling of 7488778847 in words is "seven billion, four hundred eighty-eight million, seven hundred seventy-eight thousand, eight hundred forty-seven".