79289071 has 8 divisors (see below), whose sum is σ = 88372080. Its totient is φ = 70697088.

The previous prime is 79289069. The next prime is 79289101. The reversal of 79289071 is 17098297.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79289071 - 2¹ = 79289069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79289011) 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, 122416 + ... + 123061.

It is an arithmetic number, because the mean of its divisors is an integer number (11046510).

Almost surely, 2^79289071 is an apocalyptic number.

79289071 is a deficient number, since it is larger than the sum of its proper divisors (9083009).

79289071 is a wasteful number, since it uses less digits than its factorization.

79289071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245513.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 79289071 is about 8904.4410829653. The cubic root of 79289071 is about 429.6067632621.

The spelling of 79289071 in words is "seventy-nine million, two hundred eighty-nine thousand, seventy-one".