7648788878467 has 12 divisors (see below), whose sum is σ = 8411660384400. Its totient is φ = 6949876522160.

The previous prime is 7648788878453. The next prime is 7648788878527.

7648788878467 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-7648788878467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7648788878567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15980983 + ... + 16452640.

It is an arithmetic number, because the mean of its divisors is an integer number (700971698700).

Almost surely, 2^{7648788878467} is an apocalyptic number.

7648788878467 is a deficient number, since it is larger than the sum of its proper divisors (762871505933).

7648788878467 is a wasteful number, since it uses less digits than its factorization.

7648788878467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32435594 (or 32435583 counting only the distinct ones).

The product of its digits is 45317357568, while the sum is 88.

The spelling of 7648788878467 in words is "seven trillion, six hundred forty-eight billion, seven hundred eighty-eight million, eight hundred seventy-eight thousand, four hundred sixty-seven".