78233657001158 has 16 divisors (see below), whose sum is σ = 120575872846800. Its totient is φ = 38047464153600.

The previous prime is 78233657001151. The next prime is 78233657001197. The reversal of 78233657001158 is 85110075633287.

It is a super-2 number, since 2×78233657001158² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78233657001151) 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, 1441164683 + ... + 1441218966.

It is an arithmetic number, because the mean of its divisors is an integer number (7535992052925).

Almost surely, 2^{78233657001158} is an apocalyptic number.

78233657001158 is a deficient number, since it is larger than the sum of its proper divisors (42342215845642).

78233657001158 is a wasteful number, since it uses less digits than its factorization.

78233657001158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882384023.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 78233657001158 in words is "seventy-eight trillion, two hundred thirty-three billion, six hundred fifty-seven million, one thousand, one hundred fifty-eight".