79445546 has 8 divisors (see below), whose sum is σ = 121122084. Its totient is φ = 39071520.

The previous prime is 79445543. The next prime is 79445551. The reversal of 79445546 is 64554497.

It can be written as a sum of positive squares in 2 ways, for example, as 54834025 + 24611521 = 7405^2 + 4961^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 79445497 and 79445506.

It is not an unprimeable number, because it can be changed into a prime (79445543) 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, 325475 + ... + 325718.

Almost surely, 2^79445546 is an apocalyptic number.

79445546 is a deficient number, since it is larger than the sum of its proper divisors (41676538).

79445546 is a wasteful number, since it uses less digits than its factorization.

79445546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651256.

The product of its digits is 604800, while the sum is 44.

The square root of 79445546 is about 8913.2230982961. The cubic root of 79445546 is about 429.8891836305.

The spelling of 79445546 in words is "seventy-nine million, four hundred forty-five thousand, five hundred forty-six".