787286452 has 6 divisors (see below), whose sum is σ = 1377751298. Its totient is φ = 393643224.

The previous prime is 787286449. The next prime is 787286453. The reversal of 787286452 is 254682787.

It can be written as a sum of positive squares in only one way, i.e., 536570896 + 250715556 = 23164^2 + 15834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 787286396 and 787286405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787286453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98410803 + ... + 98410810.

Almost surely, 2^787286452 is an apocalyptic number.

It is an amenable number.

787286452 is a deficient number, since it is larger than the sum of its proper divisors (590464846).

787286452 is a wasteful number, since it uses less digits than its factorization.

787286452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196821617 (or 196821615 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 787286452 is about 28058.6252692465. The cubic root of 787286452 is about 923.3738957304.

The spelling of 787286452 in words is "seven hundred eighty-seven million, two hundred eighty-six thousand, four hundred fifty-two".