778250098 has 8 divisors (see below), whose sum is σ = 1172026800. Its totient is φ = 387574500.

The previous prime is 778250029. The next prime is 778250117. The reversal of 778250098 is 890052877.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 774648 + ... + 775651.

It is an arithmetic number, because the mean of its divisors is an integer number (146503350).

Almost surely, 2^778250098 is an apocalyptic number.

778250098 is a deficient number, since it is larger than the sum of its proper divisors (393776702).

778250098 is a wasteful number, since it uses less digits than its factorization.

778250098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550552.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 778250098 is about 27897.1342255795. The cubic root of 778250098 is about 919.8275109831.

The spelling of 778250098 in words is "seven hundred seventy-eight million, two hundred fifty thousand, ninety-eight".