7820547652 has 12 divisors (see below), whose sum is σ = 13734320656. Its totient is φ = 3896456040.

The previous prime is 7820547629. The next prime is 7820547667. The reversal of 7820547652 is 2567450287.

It is a super-2 number, since 2×7820547652² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 3453174 + ... + 3455437.

Almost surely, 2^7820547652 is an apocalyptic number.

It is an amenable number.

7820547652 is a deficient number, since it is larger than the sum of its proper divisors (5913773004).

7820547652 is a wasteful number, since it uses less digits than its factorization.

7820547652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908898 (or 6908896 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 7820547652 is about 88433.8603251040. The cubic root of 7820547652 is about 1984.9324065498.

The spelling of 7820547652 in words is "seven billion, eight hundred twenty million, five hundred forty-seven thousand, six hundred fifty-two".