7885376749 has 4 divisors (see below), whose sum is σ = 7888601664. Its totient is φ = 7882151836.

The previous prime is 7885376743. The next prime is 7885376753. The reversal of 7885376749 is 9476735887.

7885376749 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7885376749 - 2⁵ = 7885376717 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 (7885376743) 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, 1608787 + ... + 1613680.

It is an arithmetic number, because the mean of its divisors is an integer number (1972150416).

Almost surely, 2^7885376749 is an apocalyptic number.

It is an amenable number.

7885376749 is a deficient number, since it is larger than the sum of its proper divisors (3224915).

7885376749 is a wasteful number, since it uses less digits than its factorization.

7885376749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224914.

The product of its digits is 71124480, while the sum is 64.

The square root of 7885376749 is about 88799.6438562678. The cubic root of 7885376749 is about 1990.4020760245.

The spelling of 7885376749 in words is "seven billion, eight hundred eighty-five million, three hundred seventy-six thousand, seven hundred forty-nine".