78250300 has 36 divisors (see below), whose sum is σ = 173426400. Its totient is φ = 30632320.

The previous prime is 78250297. The next prime is 78250321. The reversal of 78250300 is 305287.

It is a super-2 number, since 2×78250300² = 12246218900180000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3625 + ... + 13024.

It is an arithmetic number, because the mean of its divisors is an integer number (4817400).

Almost surely, 2^78250300 is an apocalyptic number.

It is an amenable number.

78250300 is an abundant number, since it is smaller than the sum of its proper divisors (95176100).

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

78250300 is a wasteful number, since it uses less digits than its factorization.

78250300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16710 (or 16703 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 78250300 is about 8845.9199634634. The cubic root of 78250300 is about 427.7224085805.

Adding to 78250300 its reverse (305287), we get a palindrome (78555587).

The spelling of 78250300 in words is "seventy-eight million, two hundred fifty thousand, three hundred".