778246002 has 16 divisors (see below), whose sum is σ = 1729435680. Its totient is φ = 259415316.

The previous prime is 778245983. The next prime is 778246003. The reversal of 778246002 is 200642877.

It is not an unprimeable number, because it can be changed into a prime (778246003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7205928 + ... + 7206035.

It is an arithmetic number, because the mean of its divisors is an integer number (108089730).

Almost surely, 2^778246002 is an apocalyptic number.

778246002 is an abundant number, since it is smaller than the sum of its proper divisors (951189678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

778246002 is a wasteful number, since it uses less digits than its factorization.

778246002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14411974 (or 14411968 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 778246002 is about 27897.0608129244. The cubic root of 778246002 is about 919.8258972688.

Adding to 778246002 its reverse (200642877), we get a palindrome (978888879).

The spelling of 778246002 in words is "seven hundred seventy-eight million, two hundred forty-six thousand, two".