787380008057 has 2 divisors, whose sum is σ = 787380008058. Its totient is φ = 787380008056.

The previous prime is 787380007951. The next prime is 787380008089. The reversal of 787380008057 is 750800083787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773873849401 + 13506158656 = 879701^2 + 116216^2 .

It is a cyclic number.

It is not a de Polignac number, because 787380008057 - 2⁸ = 787380007801 is a prime.

It is not a weakly prime, because it can be changed into another prime (787380008357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393690004028 + 393690004029.

It is an arithmetic number, because the mean of its divisors is an integer number (393690004029).

Almost surely, 2^787380008057 is an apocalyptic number.

It is an amenable number.

787380008057 is a deficient number, since it is larger than the sum of its proper divisors (1).

787380008057 is an equidigital number, since it uses as much as digits as its factorization.

787380008057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2634240, while the sum is 53.

The spelling of 787380008057 in words is "seven hundred eighty-seven billion, three hundred eighty million, eight thousand, fifty-seven".