790199550 has 336 divisors, whose sum is σ = 2667269760. Its totient is φ = 170061120.

The previous prime is 790199549. The next prime is 790199563. The reversal of 790199550 is 55991097.

790199550 is a `hidden beast` number, since 7 + 9 + 0 + 1 + 99 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 790199496 and 790199505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 4847769 + ... + 4847931.

Almost surely, 2^790199550 is an apocalyptic number.

790199550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 790199550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333634880).

790199550 is an abundant number, since it is smaller than the sum of its proper divisors (1877070210).

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

790199550 is a wasteful number, since it uses less digits than its factorization.

790199550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 45.

The square root of 790199550 is about 28110.4882561652. The cubic root of 790199550 is about 924.5113757293.

The spelling of 790199550 in words is "seven hundred ninety million, one hundred ninety-nine thousand, five hundred fifty".