78359071 has 8 divisors (see below), whose sum is σ = 90560160. Its totient is φ = 66409728.

The previous prime is 78359051. The next prime is 78359107. The reversal of 78359071 is 17095387.

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

It is a de Polignac number, because none of the positive numbers 2^k-78359071 is a prime.

It is a super-2 number, since 2×78359071² = 12280288015966082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78359051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62266 + ... + 63511.

It is an arithmetic number, because the mean of its divisors is an integer number (11320020).

Almost surely, 2^78359071 is an apocalyptic number.

78359071 is a deficient number, since it is larger than the sum of its proper divisors (12201089).

78359071 is a wasteful number, since it uses less digits than its factorization.

78359071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125873.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 78359071 is about 8852.0659170614. The cubic root of 78359071 is about 427.9205004902.

The spelling of 78359071 in words is "seventy-eight million, three hundred fifty-nine thousand, seventy-one".