75959987249 has 8 divisors (see below), whose sum is σ = 77251860000. Its totient is φ = 74668261792.

The previous prime is 75959987219. The next prime is 75959987281. The reversal of 75959987249 is 94278995957.

It is a happy number.

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 75959987249 - 2¹² = 75959983153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75959987219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667822 + ... + 1712760.

It is an arithmetic number, because the mean of its divisors is an integer number (9656482500).

Almost surely, 2^75959987249 is an apocalyptic number.

It is an amenable number.

75959987249 is a deficient number, since it is larger than the sum of its proper divisors (1291872751).

75959987249 is a wasteful number, since it uses less digits than its factorization.

75959987249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73647.

The product of its digits is 514382400, while the sum is 74.

The spelling of 75959987249 in words is "seventy-five billion, nine hundred fifty-nine million, nine hundred eighty-seven thousand, two hundred forty-nine".