7828970113 has 4 divisors (see below), whose sum is σ = 8081517568. Its totient is φ = 7576422660.

The previous prime is 7828970059. The next prime is 7828970117. The reversal of 7828970113 is 3110798287.

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 a de Polignac number, because none of the positive numbers 2^k-7828970113 is a prime.

It is a super-2 number, since 2×7828970113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7828970117) 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, 126273681 + ... + 126273742.

It is an arithmetic number, because the mean of its divisors is an integer number (2020379392).

Almost surely, 2^7828970113 is an apocalyptic number.

It is an amenable number.

7828970113 is a deficient number, since it is larger than the sum of its proper divisors (252547455).

7828970113 is a wasteful number, since it uses less digits than its factorization.

7828970113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252547454.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 7828970113 is about 88481.4676245823. The cubic root of 7828970113 is about 1985.6447188898.

The spelling of 7828970113 in words is "seven billion, eight hundred twenty-eight million, nine hundred seventy thousand, one hundred thirteen".