79438363 has 4 divisors (see below), whose sum is σ = 79667640. Its totient is φ = 79209088.

The previous prime is 79438357. The next prime is 79438369. The reversal of 79438363 is 36383497.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (79438357) and next prime (79438369).

It is a cyclic number.

It is not a de Polignac number, because 79438363 - 2⁹ = 79437851 is a prime.

It is a super-2 number, since 2×79438363² = 12620907032239538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79438369) 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, 114118 + ... + 114811.

It is an arithmetic number, because the mean of its divisors is an integer number (19916910).

Almost surely, 2^79438363 is an apocalyptic number.

79438363 is a deficient number, since it is larger than the sum of its proper divisors (229277).

79438363 is a wasteful number, since it uses less digits than its factorization.

79438363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229276.

The product of its digits is 326592, while the sum is 43.

The square root of 79438363 is about 8912.8201485276. The cubic root of 79438363 is about 429.8762272210.

The spelling of 79438363 in words is "seventy-nine million, four hundred thirty-eight thousand, three hundred sixty-three".