78250852175 has 12 divisors (see below), whose sum is σ = 97052010000. Its totient is φ = 62587163520.

The previous prime is 78250852123. The next prime is 78250852187. The reversal of 78250852175 is 57125805287.

It is a happy number.

It is not a de Polignac number, because 78250852175 - 2²⁶ = 78183743311 is a prime.

It is a super-2 number, since 2×78250852175² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219050 + ... + 452199.

It is an arithmetic number, because the mean of its divisors is an integer number (8087667500).

Almost surely, 2^78250852175 is an apocalyptic number.

78250852175 is a deficient number, since it is larger than the sum of its proper divisors (18801157825).

78250852175 is a wasteful number, since it uses less digits than its factorization.

78250852175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675922 (or 675917 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 50.

The spelling of 78250852175 in words is "seventy-eight billion, two hundred fifty million, eight hundred fifty-two thousand, one hundred seventy-five".