9878877311 has 2 divisors, whose sum is σ = 9878877312. Its totient is φ = 9878877310.

The previous prime is 9878877277. The next prime is 9878877329. The reversal of 9878877311 is 1137788789.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9878877311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9878877391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4939438655 + 4939438656.

It is an arithmetic number, because the mean of its divisors is an integer number (4939438656).

Almost surely, 2^9878877311 is an apocalyptic number.

9878877311 is a deficient number, since it is larger than the sum of its proper divisors (1).

9878877311 is an equidigital number, since it uses as much as digits as its factorization.

9878877311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 59.

The square root of 9878877311 is about 99392.5415260119. The cubic root of 9878877311 is about 2145.7009687169.

The spelling of 9878877311 in words is "nine billion, eight hundred seventy-eight million, eight hundred seventy-seven thousand, three hundred eleven".