787925449 has 2 divisors, whose sum is σ = 787925450. Its totient is φ = 787925448.

The previous prime is 787925417. The next prime is 787925477. The reversal of 787925449 is 944529787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595604025 + 192321424 = 24405^2 + 13868^2 .

It is a cyclic number.

It is not a de Polignac number, because 787925449 - 2⁵ = 787925417 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 787925449.

It is not a weakly prime, because it can be changed into another prime (787925549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393962724 + 393962725.

It is an arithmetic number, because the mean of its divisors is an integer number (393962725).

Almost surely, 2^787925449 is an apocalyptic number.

It is an amenable number.

787925449 is a deficient number, since it is larger than the sum of its proper divisors (1).

787925449 is an equidigital number, since it uses as much as digits as its factorization.

787925449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 55.

The square root of 787925449 is about 28070.0097791219. The cubic root of 787925449 is about 923.6236453978.

The spelling of 787925449 in words is "seven hundred eighty-seven million, nine hundred twenty-five thousand, four hundred forty-nine".