8297772210 has 144 divisors (see below), whose sum is σ = 27027216216. Its totient is φ = 1750726656.

The previous prime is 8297772193. The next prime is 8297772227. The reversal of 8297772210 is 122777928.

It is an interprime number because it is at equal distance from previous prime (8297772193) and next prime (8297772227).

It can be written as a sum of positive squares in 4 ways, for example, as 2842915761 + 5454856449 = 53319^2 + 73857^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15039 + ... + 129698.

Almost surely, 2^8297772210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8297772210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13513608108).

8297772210 is an abundant number, since it is smaller than the sum of its proper divisors (18729444006).

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

8297772210 is a wasteful number, since it uses less digits than its factorization.

8297772210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144777 (or 144767 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 8297772210 is about 91092.1083848650. The cubic root of 8297772210 is about 2024.5126874939.

The spelling of 8297772210 in words is "eight billion, two hundred ninety-seven million, seven hundred seventy-two thousand, two hundred ten".