79477497 has 16 divisors (see below), whose sum is σ = 128448960. Its totient is φ = 48168000.

The previous prime is 79477469. The next prime is 79477511.

79477497 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79477497 - 2¹⁶ = 79411961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79477417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133504 + ... + 134097.

It is an arithmetic number, because the mean of its divisors is an integer number (8028060).

Almost surely, 2^79477497 is an apocalyptic number.

It is an amenable number.

79477497 is a deficient number, since it is larger than the sum of its proper divisors (48971463).

79477497 is a wasteful number, since it uses less digits than its factorization.

79477497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267621 (or 267615 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 79477497 is about 8915.0152551748. The cubic root of 79477497 is about 429.9468061114.

The spelling of 79477497 in words is "seventy-nine million, four hundred seventy-seven thousand, four hundred ninety-seven".