748316977 has 2 divisors, whose sum is σ = 748316978. Its totient is φ = 748316976.

The previous prime is 748316969. The next prime is 748317007. The reversal of 748316977 is 779613847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485585296 + 262731681 = 22036^2 + 16209^2 .

It is an emirp because it is prime and its reverse (779613847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 748316977 - 2³ = 748316969 is a prime.

It is not a weakly prime, because it can be changed into another prime (748316077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374158488 + 374158489.

It is an arithmetic number, because the mean of its divisors is an integer number (374158489).

Almost surely, 2^748316977 is an apocalyptic number.

It is an amenable number.

748316977 is a deficient number, since it is larger than the sum of its proper divisors (1).

748316977 is an equidigital number, since it uses as much as digits as its factorization.

748316977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 52.

The square root of 748316977 is about 27355.3829620424. The cubic root of 748316977 is about 907.8801750351.

The spelling of 748316977 in words is "seven hundred forty-eight million, three hundred sixteen thousand, nine hundred seventy-seven".