7876405552 has 20 divisors (see below), whose sum is σ = 15395588280. Its totient is φ = 3903350528.

The previous prime is 7876405543. The next prime is 7876405561. The reversal of 7876405552 is 2555046787.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7876405543) and next prime (7876405561).

It is a junction number, because it is equal to n+sod(n) for n = 7876405496 and 7876405505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176402 + ... + 2180017.

It is an arithmetic number, because the mean of its divisors is an integer number (769779414).

Almost surely, 2^7876405552 is an apocalyptic number.

It is an amenable number.

7876405552 is a deficient number, since it is larger than the sum of its proper divisors (7519182728).

7876405552 is a wasteful number, since it uses less digits than its factorization.

7876405552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356540 (or 4356534 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The square root of 7876405552 is about 88749.1157815107. The cubic root of 7876405552 is about 1989.6469624479.

The spelling of 7876405552 in words is "seven billion, eight hundred seventy-six million, four hundred five thousand, five hundred fifty-two".