8921150377 has 2 divisors, whose sum is σ = 8921150378. Its totient is φ = 8921150376.

The previous prime is 8921150297. The next prime is 8921150419. The reversal of 8921150377 is 7730511298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6642902016 + 2278248361 = 81504^2 + 47731^2 .

It is a cyclic number.

It is not a de Polignac number, because 8921150377 - 2¹⁹ = 8920626089 is a prime.

It is not a weakly prime, because it can be changed into another prime (8921150177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4460575188 + 4460575189.

It is an arithmetic number, because the mean of its divisors is an integer number (4460575189).

Almost surely, 2^8921150377 is an apocalyptic number.

It is an amenable number.

8921150377 is a deficient number, since it is larger than the sum of its proper divisors (1).

8921150377 is an equidigital number, since it uses as much as digits as its factorization.

8921150377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 8921150377 is about 94451.8415754823. The cubic root of 8921150377 is about 2073.9914101222.

The spelling of 8921150377 in words is "eight billion, nine hundred twenty-one million, one hundred fifty thousand, three hundred seventy-seven".