79766445 has 16 divisors (see below), whose sum is σ = 139228992. Its totient is φ = 38674560.

The previous prime is 79766437. The next prime is 79766447. The reversal of 79766445 is 54466797.

It is not a de Polignac number, because 79766445 - 2³ = 79766437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79766394 and 79766403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79766447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241552 + ... + 241881.

It is an arithmetic number, because the mean of its divisors is an integer number (8701812).

Almost surely, 2^79766445 is an apocalyptic number.

It is an amenable number.

79766445 is a deficient number, since it is larger than the sum of its proper divisors (59462547).

79766445 is a wasteful number, since it uses less digits than its factorization.

79766445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483452.

The product of its digits is 1270080, while the sum is 48.

The square root of 79766445 is about 8931.2062455191. The cubic root of 79766445 is about 430.4672134594.

The spelling of 79766445 in words is "seventy-nine million, seven hundred sixty-six thousand, four hundred forty-five".