79486905 has 32 divisors (see below), whose sum is σ = 131015808. Its totient is φ = 41126400.

The previous prime is 79486903. The next prime is 79486907. The reversal of 79486905 is 50968497.

It is an interprime number because it is at equal distance from previous prime (79486903) and next prime (79486907).

It is not a de Polignac number, because 79486905 - 2¹ = 79486903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79486903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188595 + ... + 189015.

It is an arithmetic number, because the mean of its divisors is an integer number (4094244).

Almost surely, 2^79486905 is an apocalyptic number.

It is an amenable number.

79486905 is a deficient number, since it is larger than the sum of its proper divisors (51528903).

79486905 is a wasteful number, since it uses less digits than its factorization.

79486905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 79486905 is about 8915.5428886860. The cubic root of 79486905 is about 429.9637701583.

The spelling of 79486905 in words is "seventy-nine million, four hundred eighty-six thousand, nine hundred five".