78085850398 has 16 divisors (see below), whose sum is σ = 117805859424. Its totient is φ = 38817757440.

The previous prime is 78085850383. The next prime is 78085850413. The reversal of 78085850398 is 89305858087.

It is an interprime number because it is at equal distance from previous prime (78085850383) and next prime (78085850413).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166111 + ... + 428677.

It is an arithmetic number, because the mean of its divisors is an integer number (7362866214).

Almost surely, 2^78085850398 is an apocalyptic number.

78085850398 is a deficient number, since it is larger than the sum of its proper divisors (39720009026).

78085850398 is a wasteful number, since it uses less digits than its factorization.

78085850398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263427.

The product of its (nonzero) digits is 19353600, while the sum is 61.

The spelling of 78085850398 in words is "seventy-eight billion, eighty-five million, eight hundred fifty thousand, three hundred ninety-eight".