77803050 has 96 divisors (see below), whose sum is σ = 220110912. Its totient is φ = 18017280.

The previous prime is 77803009. The next prime is 77803051. The reversal of 77803050 is 5030877.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 77802999 and 77803017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77803051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31977 + ... + 34323.

It is an arithmetic number, because the mean of its divisors is an integer number (2292822).

Almost surely, 2^77803050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77803050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110055456).

77803050 is an abundant number, since it is smaller than the sum of its proper divisors (142307862).

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

77803050 is a wasteful number, since it uses less digits than its factorization.

77803050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 77803050 is about 8820.6037208345. The cubic root of 77803050 is about 426.9059496291.

The spelling of 77803050 in words is "seventy-seven million, eight hundred three thousand, fifty".