79867523 has 8 divisors (see below), whose sum is σ = 85114368. Its totient is φ = 74768584.

The previous prime is 79867481. The next prime is 79867531. The reversal of 79867523 is 32576897.

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

It is not a de Polignac number, because 79867523 - 2⁸ = 79867267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (79867573) 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, 35861 + ... + 38022.

It is an arithmetic number, because the mean of its divisors is an integer number (10639296).

Almost surely, 2^79867523 is an apocalyptic number.

79867523 is a deficient number, since it is larger than the sum of its proper divisors (5246845).

79867523 is a wasteful number, since it uses less digits than its factorization.

79867523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73953.

The product of its digits is 635040, while the sum is 47.

The square root of 79867523 is about 8936.8631521357. The cubic root of 79867523 is about 430.6489623947.

The spelling of 79867523 in words is "seventy-nine million, eight hundred sixty-seven thousand, five hundred twenty-three".