8790722720 has 48 divisors (see below), whose sum is σ = 22365632520. Its totient is φ = 3245804544.

The previous prime is 8790722693. The next prime is 8790722747. The reversal of 8790722720 is 272270978.

It is an interprime number because it is at equal distance from previous prime (8790722693) and next prime (8790722747).

It can be written as a sum of positive squares in 4 ways, for example, as 7706732944 + 1083989776 = 87788^2 + 32924^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111075 + ... + 2115234.

Almost surely, 2^8790722720 is an apocalyptic number.

8790722720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8790722720 is an abundant number, since it is smaller than the sum of its proper divisors (13574909800).

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

8790722720 is a wasteful number, since it uses less digits than its factorization.

8790722720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226337 (or 4226329 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 8790722720 is about 93758.8540885606. The cubic root of 8790722720 is about 2063.8344643197.

The spelling of 8790722720 in words is "eight billion, seven hundred ninety million, seven hundred twenty-two thousand, seven hundred twenty".