78114894 has 64 divisors (see below), whose sum is σ = 184923648. Its totient is φ = 21686400.

The previous prime is 78114887. The next prime is 78114901. The reversal of 78114894 is 49841187.

It is an interprime number because it is at equal distance from previous prime (78114887) and next prime (78114901).

It is a super-2 number, since 2×78114894² = 12203873329262472, which 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 31 ways as a sum of consecutive naturals, for example, 155047 + ... + 155549.

It is an arithmetic number, because the mean of its divisors is an integer number (2889432).

Almost surely, 2^78114894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78114894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92461824).

78114894 is an abundant number, since it is smaller than the sum of its proper divisors (106808754).

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

78114894 is a wasteful number, since it uses less digits than its factorization.

78114894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its digits is 64512, while the sum is 42.

The square root of 78114894 is about 8838.2630646525. The cubic root of 78114894 is about 427.4755527896.

The spelling of 78114894 in words is "seventy-eight million, one hundred fourteen thousand, eight hundred ninety-four".