7885639452 has 48 divisors (see below), whose sum is σ = 18879483392. Its totient is φ = 2560360320.

The previous prime is 7885639439. The next prime is 7885639453. The reversal of 7885639452 is 2549365887.

It is a junction number, because it is equal to n+sod(n) for n = 7885639392 and 7885639401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7885639453) 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, 168552 + ... + 210192.

Almost surely, 2^7885639452 is an apocalyptic number.

It is an amenable number.

7885639452 is an abundant number, since it is smaller than the sum of its proper divisors (10993843940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7885639452 is a wasteful number, since it uses less digits than its factorization.

7885639452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42058 (or 42056 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 57.

The square root of 7885639452 is about 88801.1230334392. The cubic root of 7885639452 is about 1990.4241793349.

The spelling of 7885639452 in words is "seven billion, eight hundred eighty-five million, six hundred thirty-nine thousand, four hundred fifty-two".