75837198061 has 8 divisors (see below), whose sum is σ = 76699510200. Its totient is φ = 74975112960.

The previous prime is 75837198053. The next prime is 75837198077. The reversal of 75837198061 is 16089173857.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17517846025 + 58319352036 = 132355^2 + 241494^2 .

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 75837198061 - 2³ = 75837198053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75837197993 and 75837198011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75837198961) 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, 667251 + ... + 772591.

It is an arithmetic number, because the mean of its divisors is an integer number (9587438775).

Almost surely, 2^75837198061 is an apocalyptic number.

It is an amenable number.

75837198061 is a deficient number, since it is larger than the sum of its proper divisors (862312139).

75837198061 is a wasteful number, since it uses less digits than its factorization.

75837198061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113519.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 75837198061 in words is "seventy-five billion, eight hundred thirty-seven million, one hundred ninety-eight thousand, sixty-one".