75658897138 has 8 divisors (see below), whose sum is σ = 123805468080. Its totient is φ = 34390407780.

The previous prime is 75658897121. The next prime is 75658897169. The reversal of 75658897138 is 83179885657.

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

It is a super-2 number, since 2×75658897138² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719520368 + ... + 1719520411.

It is an arithmetic number, because the mean of its divisors is an integer number (15475683510).

Almost surely, 2^75658897138 is an apocalyptic number.

75658897138 is a deficient number, since it is larger than the sum of its proper divisors (48146570942).

75658897138 is a wasteful number, since it uses less digits than its factorization.

75658897138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439040792.

The product of its digits is 101606400, while the sum is 67.

The spelling of 75658897138 in words is "seventy-five billion, six hundred fifty-eight million, eight hundred ninety-seven thousand, one hundred thirty-eight".