78000088 has 8 divisors (see below), whose sum is σ = 146250180. Its totient is φ = 39000040.

The previous prime is 78000071. The next prime is 78000089. The reversal of 78000088 is 88000087.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78000089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4874998 + ... + 4875013.

Almost surely, 2^78000088 is an apocalyptic number.

It is an amenable number.

78000088 is a deficient number, since it is larger than the sum of its proper divisors (68250092).

78000088 is a wasteful number, since it uses less digits than its factorization.

78000088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9750017 (or 9750013 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 78000088 is about 8831.7658483454. The cubic root of 78000088 is about 427.2660288509.

Subtracting 78000088 from its reverse (88000087), we obtain a palindrome (9999999).

The spelling of 78000088 in words is "seventy-eight million, eighty-eight", and thus it is an aban number and an uban number.