78858874710 has 576 divisors, whose sum is σ = 278190132480. Its totient is φ = 15280151040.

The previous prime is 78858874607. The next prime is 78858874799. The reversal of 78858874710 is 1747885887.

78858874710 is a `hidden beast` number, since 7 + 8 + 8 + 588 + 7 + 47 + 1 + 0 = 666.

It is a super-3 number, since 3×78858874710³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 61752592 + ... + 61753868.

It is an arithmetic number, because the mean of its divisors is an integer number (482968980).

Almost surely, 2^78858874710 is an apocalyptic number.

78858874710 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 78858874710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139095066240).

78858874710 is an abundant number, since it is smaller than the sum of its proper divisors (199331257770).

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

78858874710 is a wasteful number, since it uses less digits than its factorization.

78858874710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 28098560, while the sum is 63.

The spelling of 78858874710 in words is "seventy-eight billion, eight hundred fifty-eight million, eight hundred seventy-four thousand, seven hundred ten".