147858117538 has 16 divisors (see below), whose sum is σ = 231560461440. Its totient is φ = 70674918336.

The previous prime is 147858117523. The next prime is 147858117541. The reversal of 147858117538 is 835711858741.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822678 + ... + 986161.

It is an arithmetic number, because the mean of its divisors is an integer number (14472528840).

Almost surely, 2^147858117538 is an apocalyptic number.

147858117538 is a deficient number, since it is larger than the sum of its proper divisors (83702343902).

147858117538 is a wasteful number, since it uses less digits than its factorization.

147858117538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810641.

The product of its digits is 7526400, while the sum is 58.

The spelling of 147858117538 in words is "one hundred forty-seven billion, eight hundred fifty-eight million, one hundred seventeen thousand, five hundred thirty-eight".