768402485 has 4 divisors (see below), whose sum is σ = 922082988. Its totient is φ = 614721984.

The previous prime is 768402457. The next prime is 768402493. The reversal of 768402485 is 584204867.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 365918641 + 402483844 = 19129^2 + 20062^2 .

It is a cyclic number.

It is not a de Polignac number, because 768402485 - 2¹⁰ = 768401461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76840244 + ... + 76840253.

It is an arithmetic number, because the mean of its divisors is an integer number (230520747).

Almost surely, 2^768402485 is an apocalyptic number.

It is an amenable number.

768402485 is a deficient number, since it is larger than the sum of its proper divisors (153680503).

768402485 is a wasteful number, since it uses less digits than its factorization.

768402485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153680502.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 768402485 is about 27720.0736831633. The cubic root of 768402485 is about 915.9313419074.

The spelling of 768402485 in words is "seven hundred sixty-eight million, four hundred two thousand, four hundred eighty-five".