78261014 has 8 divisors (see below), whose sum is σ = 126421680. Its totient is φ = 36120456.

The previous prime is 78261011. The next prime is 78261017. The reversal of 78261014 is 41016287.

It is an interprime number because it is at equal distance from previous prime (78261011) and next prime (78261017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78261014² = 12249572624616392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78261011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504994 + ... + 1505045.

It is an arithmetic number, because the mean of its divisors is an integer number (15802710).

Almost surely, 2^78261014 is an apocalyptic number.

78261014 is a deficient number, since it is larger than the sum of its proper divisors (48160666).

78261014 is a wasteful number, since it uses less digits than its factorization.

78261014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010054.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 78261014 is about 8846.5255326597. The cubic root of 78261014 is about 427.7419288837.

The spelling of 78261014 in words is "seventy-eight million, two hundred sixty-one thousand, fourteen".