78898050 has 360 divisors, whose sum is σ = 287356608. Its totient is φ = 15681600.

The previous prime is 78898019. The next prime is 78898087. The reversal of 78898050 is 5089887.

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 = 78897987 and 78898005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 3430339 + ... + 3430361.

Almost surely, 2^78898050 is an apocalyptic number.

78898050 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 78898050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143678304).

78898050 is an abundant number, since it is smaller than the sum of its proper divisors (208458558).

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

78898050 is a wasteful number, since it uses less digits than its factorization.

78898050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 78898050 is about 8882.4574302385. The cubic root of 78898050 is about 428.8993846881.

The spelling of 78898050 in words is "seventy-eight million, eight hundred ninety-eight thousand, fifty".