78587440648060 has 192 divisors, whose sum is σ = 181843579169280. Its totient is φ = 28419136312320.

The previous prime is 78587440648051. The next prime is 78587440648109. The reversal of 78587440648060 is 6084604478587.

It is a super-2 number, since 2×78587440648060² (a number of 29 digits) 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 63 ways as a sum of consecutive naturals, for example, 2374872115 + ... + 2374905205.

It is an arithmetic number, because the mean of its divisors is an integer number (947101974840).

Almost surely, 2^{78587440648060} 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 78587440648060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90921789584640).

78587440648060 is an abundant number, since it is smaller than the sum of its proper divisors (103256138521220).

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

78587440648060 is a wasteful number, since it uses less digits than its factorization.

78587440648060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36396 (or 36394 counting only the distinct ones).

The product of its (nonzero) digits is 289013760, while the sum is 67.

The spelling of 78587440648060 in words is "seventy-eight trillion, five hundred eighty-seven billion, four hundred forty million, six hundred forty-eight thousand, sixty".