788964457 has 2 divisors, whose sum is σ = 788964458. Its totient is φ = 788964456.

The previous prime is 788964433. The next prime is 788964479. The reversal of 788964457 is 754469887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552297001 + 236667456 = 23501^2 + 15384^2 .

It is a cyclic number.

It is not a de Polignac number, because 788964457 - 2²³ = 780575849 is a prime.

It is not a weakly prime, because it can be changed into another prime (788964427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394482228 + 394482229.

It is an arithmetic number, because the mean of its divisors is an integer number (394482229).

Almost surely, 2^788964457 is an apocalyptic number.

It is an amenable number.

788964457 is a deficient number, since it is larger than the sum of its proper divisors (1).

788964457 is an equidigital number, since it uses as much as digits as its factorization.

788964457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 58.

The square root of 788964457 is about 28088.5111210972. The cubic root of 788964457 is about 924.0294497994.

The spelling of 788964457 in words is "seven hundred eighty-eight million, nine hundred sixty-four thousand, four hundred fifty-seven".