768612440898 has 12 divisors (see below), whose sum is σ = 1665326955318. Its totient is φ = 256204146960.

The previous prime is 768612440879. The next prime is 768612440923. The reversal of 768612440898 is 898044216867.

768612440898 is a `hidden beast` number, since 7 + 6 + 8 + 612 + 4 + 4 + 0 + 8 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 695811227409 + 72801213489 = 834153^2 + 269817^2 .

It is a super-3 number, since 3×768612440898³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21350345563 + ... + 21350345598.

Almost surely, 2^768612440898 is an apocalyptic number.

768612440898 is an abundant number, since it is smaller than the sum of its proper divisors (896714514420).

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

768612440898 is a wasteful number, since it uses less digits than its factorization.

768612440898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42700691169 (or 42700691166 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 768612440898 in words is "seven hundred sixty-eight billion, six hundred twelve million, four hundred forty thousand, eight hundred ninety-eight".