78311360 has 56 divisors (see below), whose sum is σ = 188402976. Its totient is φ = 31001600.

The previous prime is 78311327. The next prime is 78311381. The reversal of 78311360 is 6311387.

It is a super-2 number, since 2×78311360² = 12265338210099200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31109 + ... + 33531.

Almost surely, 2^78311360 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 78311360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94201488).

78311360 is an abundant number, since it is smaller than the sum of its proper divisors (110091616).

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

78311360 is a wasteful number, since it uses less digits than its factorization.

78311360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 78311360 is about 8849.3705990878. The cubic root of 78311360 is about 427.8336326060.

The spelling of 78311360 in words is "seventy-eight million, three hundred eleven thousand, three hundred sixty".