764280147457 has 2 divisors, whose sum is σ = 764280147458. Its totient is φ = 764280147456.

The previous prime is 764280147413. The next prime is 764280147493. The reversal of 764280147457 is 754741082467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 764253614656 + 26532801 = 874216^2 + 5151^2 .

It is a cyclic number.

It is not a de Polignac number, because 764280147457 - 2¹⁹ = 764279623169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 764280147398 and 764280147407.

It is not a weakly prime, because it can be changed into another prime (764284147457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382140073728 + 382140073729.

It is an arithmetic number, because the mean of its divisors is an integer number (382140073729).

Almost surely, 2^764280147457 is an apocalyptic number.

It is an amenable number.

764280147457 is a deficient number, since it is larger than the sum of its proper divisors (1).

764280147457 is an equidigital number, since it uses as much as digits as its factorization.

764280147457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 764280147457 in words is "seven hundred sixty-four billion, two hundred eighty million, one hundred forty-seven thousand, four hundred fifty-seven".