772148827 has 2 divisors, whose sum is σ = 772148828. Its totient is φ = 772148826.

The previous prime is 772148821. The next prime is 772148831. The reversal of 772148827 is 728841277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772148827 - 2²³ = 763760219 is a prime.

It is a super-2 number, since 2×772148827² = 1192427622074951858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (772148821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386074413 + 386074414.

It is an arithmetic number, because the mean of its divisors is an integer number (386074414).

Almost surely, 2^772148827 is an apocalyptic number.

772148827 is a deficient number, since it is larger than the sum of its proper divisors (1).

772148827 is an equidigital number, since it uses as much as digits as its factorization.

772148827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 351232, while the sum is 46.

The square root of 772148827 is about 27787.5660503039. The cubic root of 772148827 is about 917.4174686880.

The spelling of 772148827 in words is "seven hundred seventy-two million, one hundred forty-eight thousand, eight hundred twenty-seven".