78101950680 has 384 divisors, whose sum is σ = 283125888000. Its totient is φ = 19142023680.

The previous prime is 78101950649. The next prime is 78101950697. The reversal of 78101950680 is 8605910187.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49462131 + ... + 49463709.

It is an arithmetic number, because the mean of its divisors is an integer number (737307000).

Almost surely, 2^78101950680 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 78101950680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141562944000).

78101950680 is an abundant number, since it is smaller than the sum of its proper divisors (205023937320).

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

78101950680 is a wasteful number, since it uses less digits than its factorization.

78101950680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 78101950680 in words is "seventy-eight billion, one hundred one million, nine hundred fifty thousand, six hundred eighty".