78649000710 has 256 divisors, whose sum is σ = 242740592640. Its totient is φ = 15892208640.

The previous prime is 78649000699. The next prime is 78649000789. The reversal of 78649000710 is 1700094687.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3752119 + ... + 3773021.

It is an arithmetic number, because the mean of its divisors is an integer number (948205440).

Almost surely, 2^78649000710 is an apocalyptic number.

78649000710 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 78649000710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121370296320).

78649000710 is an abundant number, since it is smaller than the sum of its proper divisors (164091591930).

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

78649000710 is a wasteful number, since it uses less digits than its factorization.

78649000710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21003.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 78649000710 in words is "seventy-eight billion, six hundred forty-nine million, seven hundred ten", and thus it is an aban number.