78895500 has 96 divisors (see below), whose sum is σ = 231940800. Its totient is φ = 20838400.

The previous prime is 78895499. The next prime is 78895501. The reversal of 78895500 is 559887.

It is an interprime number because it is at equal distance from previous prime (78895499) and next prime (78895501).

It is not an unprimeable number, because it can be changed into a prime (78895501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223324 + ... + 223676.

It is an arithmetic number, because the mean of its divisors is an integer number (2416050).

Almost surely, 2^78895500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78895500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115970400).

78895500 is an abundant number, since it is smaller than the sum of its proper divisors (153045300).

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

78895500 is a wasteful number, since it uses less digits than its factorization.

78895500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 78895500 is about 8882.3138877209. The cubic root of 78895500 is about 428.8947639351.

The spelling of 78895500 in words is "seventy-eight million, eight hundred ninety-five thousand, five hundred".