1930200678 has 80 divisors (see below), whose sum is σ = 5102490624. Its totient is φ = 533686320.

The previous prime is 1930200661. The next prime is 1930200691. The reversal of 1930200678 is 8760020391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7701 + ... + 62607.

Almost surely, 2^1930200678 is an apocalyptic number.

1930200678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1930200678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551245312).

1930200678 is an abundant number, since it is smaller than the sum of its proper divisors (3172289946).

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

1930200678 is a wasteful number, since it uses less digits than its factorization.

1930200678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54959 (or 54950 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1930200678 is about 43934.0491873900. The cubic root of 1930200678 is about 1245.0902184586.

The spelling of 1930200678 in words is "one billion, nine hundred thirty million, two hundred thousand, six hundred seventy-eight".