8246711920 has 20 divisors (see below), whose sum is σ = 19173605400. Its totient is φ = 3298684736.

The previous prime is 8246711909. The next prime is 8246711923. The reversal of 8246711920 is 291176428.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8246711923) 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, 51541870 + ... + 51542029.

It is an arithmetic number, because the mean of its divisors is an integer number (958680270).

Almost surely, 2^8246711920 is an apocalyptic number.

8246711920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8246711920 is an abundant number, since it is smaller than the sum of its proper divisors (10926893480).

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

8246711920 is a wasteful number, since it uses less digits than its factorization.

8246711920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103083912 (or 103083906 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 8246711920 is about 90811.4085343907. The cubic root of 8246711920 is about 2020.3515318020.

The spelling of 8246711920 in words is "eight billion, two hundred forty-six million, seven hundred eleven thousand, nine hundred twenty".