78769248453 has 24 divisors (see below), whose sum is σ = 130705535168. Its totient is φ = 44777774592.

The previous prime is 78769248443. The next prime is 78769248487. The reversal of 78769248453 is 35484296787.

78769248453 is a `hidden beast` number, since 7 + 87 + 69 + 2 + 48 + 453 = 666.

It is not a de Polignac number, because 78769248453 - 2¹⁰ = 78769247429 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78769248403) 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, 3226975 + ... + 3251292.

Almost surely, 2^78769248453 is an apocalyptic number.

It is an amenable number.

78769248453 is a deficient number, since it is larger than the sum of its proper divisors (51936286715).

78769248453 is a wasteful number, since it uses less digits than its factorization.

78769248453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478473 (or 6478470 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 78769248453 in words is "seventy-eight billion, seven hundred sixty-nine million, two hundred forty-eight thousand, four hundred fifty-three".