75886997 has 8 divisors (see below), whose sum is σ = 83122200. Its totient is φ = 68959744.

The previous prime is 75886991. The next prime is 75887003. The reversal of 75886997 is 79968857.

It is an interprime number because it is at equal distance from previous prime (75886991) and next prime (75887003).

It can be written as a sum of positive squares in 4 ways, for example, as 7890481 + 67996516 = 2809^2 + 8246^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 75886997 - 2⁴ = 75886981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75886991) 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 7 ways as a sum of consecutive naturals, for example, 76472 + ... + 77457.

It is an arithmetic number, because the mean of its divisors is an integer number (10390275).

Almost surely, 2^75886997 is an apocalyptic number.

It is an amenable number.

75886997 is a deficient number, since it is larger than the sum of its proper divisors (7235203).

75886997 is a wasteful number, since it uses less digits than its factorization.

75886997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153975.

The product of its digits is 7620480, while the sum is 59.

The square root of 75886997 is about 8711.3143095632. The cubic root of 75886997 is about 423.3723153527.

The spelling of 75886997 in words is "seventy-five million, eight hundred eighty-six thousand, nine hundred ninety-seven".