78140614950 has 240 divisors, whose sum is σ = 220338241200. Its totient is φ = 20530298880.

The previous prime is 78140614939. The next prime is 78140614961. The reversal of 78140614950 is 5941604187.

It is an interprime number because it is at equal distance from previous prime (78140614939) and next prime (78140614961).

It is a super-2 number, since 2×78140614950² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 78140614896 and 78140614905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 174032326 + ... + 174032774.

It is an arithmetic number, because the mean of its divisors is an integer number (918076005).

Almost surely, 2^78140614950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78140614950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110169120600).

78140614950 is an abundant number, since it is smaller than the sum of its proper divisors (142197626250).

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

78140614950 is a wasteful number, since it uses less digits than its factorization.

78140614950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 78140614950 in words is "seventy-eight billion, one hundred forty million, six hundred fourteen thousand, nine hundred fifty".