62479686617 has 4 divisors (see below), whose sum is σ = 62711953380. Its totient is φ = 62247419856.

The previous prime is 62479686613. The next prime is 62479686671. The reversal of 62479686617 is 71668697426.

62479686617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6081036361 + 56398650256 = 77981^2 + 237484^2 .

It is a cyclic number.

It is not a de Polignac number, because 62479686617 - 2² = 62479686613 is a prime.

It is a super-2 number, since 2×62479686617² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62479686617.

It is not an unprimeable number, because it can be changed into a prime (62479686613) 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, 116132978 + ... + 116133515.

It is an arithmetic number, because the mean of its divisors is an integer number (15677988345).

Almost surely, 2^62479686617 is an apocalyptic number.

It is an amenable number.

62479686617 is a deficient number, since it is larger than the sum of its proper divisors (232266763).

62479686617 is a wasteful number, since it uses less digits than its factorization.

62479686617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232266762.

The product of its digits is 36578304, while the sum is 62.

The spelling of 62479686617 in words is "sixty-two billion, four hundred seventy-nine million, six hundred eighty-six thousand, six hundred seventeen".