76618485 has 24 divisors (see below), whose sum is σ = 133073304. Its totient is φ = 40780800.

The previous prime is 76618481. The next prime is 76618489. The reversal of 76618485 is 58481667.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76618481) and next prime (76618489).

It can be written as a sum of positive squares in 4 ways, for example, as 14791716 + 61826769 = 3846^2 + 7863^2 .

It is not a de Polignac number, because 76618485 - 2² = 76618481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 76618485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76618481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25629 + ... + 28461.

It is an arithmetic number, because the mean of its divisors is an integer number (5544721).

Almost surely, 2^76618485 is an apocalyptic number.

It is an amenable number.

76618485 is a deficient number, since it is larger than the sum of its proper divisors (56454819).

76618485 is a wasteful number, since it uses less digits than its factorization.

76618485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445 (or 3442 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 76618485 is about 8753.1985582414. The cubic root of 76618485 is about 424.7282876861.

The spelling of 76618485 in words is "seventy-six million, six hundred eighteen thousand, four hundred eighty-five".