78480000054 has 48 divisors (see below), whose sum is σ = 173721143232. Its totient is φ = 25596365184.

The previous prime is 78480000043. The next prime is 78480000097. The reversal of 78480000054 is 45000008487.

It is a super-2 number, since 2×78480000054² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78479999973 and 78480000018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238042 + ... + 462194.

It is an arithmetic number, because the mean of its divisors is an integer number (3619190484).

Almost surely, 2^78480000054 is an apocalyptic number.

78480000054 is an abundant number, since it is smaller than the sum of its proper divisors (95241143178).

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

78480000054 is a wasteful number, since it uses less digits than its factorization.

78480000054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224581 (or 224578 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 78480000054 in words is "seventy-eight billion, four hundred eighty million, fifty-four", and thus it is an aban number.