248075777 has 2 divisors, whose sum is σ = 248075778. Its totient is φ = 248075776.

The previous prime is 248075759. The next prime is 248075783. The reversal of 248075777 is 777570842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126877696 + 121198081 = 11264^2 + 11009^2 .

It is a cyclic number.

It is not a de Polignac number, because 248075777 - 2⁸ = 248075521 is a prime.

It is a super-2 number, since 2×248075777² = 123083182268307458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (248075717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124037888 + 124037889.

It is an arithmetic number, because the mean of its divisors is an integer number (124037889).

Almost surely, 2^248075777 is an apocalyptic number.

It is an amenable number.

248075777 is a deficient number, since it is larger than the sum of its proper divisors (1).

248075777 is an equidigital number, since it uses as much as digits as its factorization.

248075777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768320, while the sum is 47.

The square root of 248075777 is about 15750.4214864238. The cubic root of 248075777 is about 628.3401143925.

The spelling of 248075777 in words is "two hundred forty-eight million, seventy-five thousand, seven hundred seventy-seven".