8877292261 has 2 divisors, whose sum is σ = 8877292262. Its totient is φ = 8877292260.

The previous prime is 8877292247. The next prime is 8877292289. The reversal of 8877292261 is 1622927788.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7755444225 + 1121848036 = 88065^2 + 33494^2 .

It is a cyclic number.

It is not a de Polignac number, because 8877292261 - 2⁹ = 8877291749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8877292199 and 8877292208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8877292561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4438646130 + 4438646131.

It is an arithmetic number, because the mean of its divisors is an integer number (4438646131).

Almost surely, 2^8877292261 is an apocalyptic number.

It is an amenable number.

8877292261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8877292261 is an equidigital number, since it uses as much as digits as its factorization.

8877292261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 52.

The square root of 8877292261 is about 94219.3836797928. The cubic root of 8877292261 is about 2070.5871097905.

The spelling of 8877292261 in words is "eight billion, eight hundred seventy-seven million, two hundred ninety-two thousand, two hundred sixty-one".