9249998977 has 2 divisors, whose sum is σ = 9249998978. Its totient is φ = 9249998976.

The previous prime is 9249998963. The next prime is 9249998981. The reversal of 9249998977 is 7798999429.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7376061456 + 1873937521 = 85884^2 + 43289^2 .

It is a cyclic number.

It is not a de Polignac number, because 9249998977 - 2²⁷ = 9115781249 is a prime.

It is not a weakly prime, because it can be changed into another prime (9249998917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4624999488 + 4624999489.

It is an arithmetic number, because the mean of its divisors is an integer number (4624999489).

Almost surely, 2^9249998977 is an apocalyptic number.

It is an amenable number.

9249998977 is a deficient number, since it is larger than the sum of its proper divisors (1).

9249998977 is an equidigital number, since it uses as much as digits as its factorization.

9249998977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185177664, while the sum is 73.

The square root of 9249998977 is about 96176.9149900328. The cubic root of 9249998977 is about 2099.1681495186.

The spelling of 9249998977 in words is "nine billion, two hundred forty-nine million, nine hundred ninety-eight thousand, nine hundred seventy-seven".