872248877 has 2 divisors, whose sum is σ = 872248878. Its totient is φ = 872248876.

The previous prime is 872248859. The next prime is 872248879. The reversal of 872248877 is 778842278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694533316 + 177715561 = 26354^2 + 13331^2 .

It is a cyclic number.

It is not a de Polignac number, because 872248877 - 2¹⁰ = 872247853 is a prime.

It is a super-2 number, since 2×872248877² = 1521636206855522258, which contains 22 as substring.

Together with 872248879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872248879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436124438 + 436124439.

It is an arithmetic number, because the mean of its divisors is an integer number (436124439).

Almost surely, 2^872248877 is an apocalyptic number.

It is an amenable number.

872248877 is a deficient number, since it is larger than the sum of its proper divisors (1).

872248877 is an equidigital number, since it uses as much as digits as its factorization.

872248877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2809856, while the sum is 53.

The square root of 872248877 is about 29533.8598391744. The cubic root of 872248877 is about 955.4621182063.

The spelling of 872248877 in words is "eight hundred seventy-two million, two hundred forty-eight thousand, eight hundred seventy-seven".