194377678450 has 24 divisors (see below), whose sum is σ = 361554327792. Its totient is φ = 77748523920.

The previous prime is 194377678433. The next prime is 194377678487. The reversal of 194377678450 is 54876773491.

194377678450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×194377678450² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2497017 + ... + 2573683.

It is an arithmetic number, because the mean of its divisors is an integer number (15064763658).

Almost surely, 2^194377678450 is an apocalyptic number.

194377678450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194377678450 is a deficient number, since it is larger than the sum of its proper divisors (167176649342).

194377678450 is a wasteful number, since it uses less digits than its factorization.

194377678450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127386 (or 127381 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 194377678450 in words is "one hundred ninety-four billion, three hundred seventy-seven million, six hundred seventy-eight thousand, four hundred fifty".