773477331157 has 2 divisors, whose sum is σ = 773477331158. Its totient is φ = 773477331156.

The previous prime is 773477331073. The next prime is 773477331169. The reversal of 773477331157 is 751133774377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414994928401 + 358482402756 = 644201^2 + 598734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-773477331157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 773477331098 and 773477331107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (773477341157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386738665578 + 386738665579.

It is an arithmetic number, because the mean of its divisors is an integer number (386738665579).

Almost surely, 2^773477331157 is an apocalyptic number.

It is an amenable number.

773477331157 is a deficient number, since it is larger than the sum of its proper divisors (1).

773477331157 is an equidigital number, since it uses as much as digits as its factorization.

773477331157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9075780, while the sum is 55.

The spelling of 773477331157 in words is "seven hundred seventy-three billion, four hundred seventy-seven million, three hundred thirty-one thousand, one hundred fifty-seven".