78224532374725 has 24 divisors (see below), whose sum is σ = 107609957655840. Its totient is φ = 55926322056000.

The previous prime is 78224532374713. The next prime is 78224532374783. The reversal of 78224532374725 is 52747323542287.

It is not a de Polignac number, because 78224532374725 - 2⁴¹ = 76025509119173 is a prime.

It is a super-2 number, since 2×78224532374725² (a number of 29 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 23 ways as a sum of consecutive naturals, for example, 2410601106 + ... + 2410633555.

It is an arithmetic number, because the mean of its divisors is an integer number (4483748235660).

Almost surely, 2^{78224532374725} is an apocalyptic number.

It is an amenable number.

78224532374725 is a deficient number, since it is larger than the sum of its proper divisors (29385425281115).

78224532374725 is a wasteful number, since it uses less digits than its factorization.

78224532374725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821234741 (or 4821234736 counting only the distinct ones).

The product of its digits is 158054400, while the sum is 61.

The spelling of 78224532374725 in words is "seventy-eight trillion, two hundred twenty-four billion, five hundred thirty-two million, three hundred seventy-four thousand, seven hundred twenty-five".