78152028825773 has 8 divisors (see below), whose sum is σ = 90574584716160. Its totient is φ = 66043968021360.

The previous prime is 78152028825719. The next prime is 78152028825797. The reversal of 78152028825773 is 37752882025187.

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

It is not a de Polignac number, because 78152028825773 - 2¹⁴ = 78152028809389 is a prime.

It is a super-2 number, since 2×78152028825773² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78152028825713) 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, 78623770958 + ... + 78623771951.

It is an arithmetic number, because the mean of its divisors is an integer number (11321823089520).

Almost surely, 2^{78152028825773} is an apocalyptic number.

It is an amenable number.

78152028825773 is a deficient number, since it is larger than the sum of its proper divisors (12422555890387).

78152028825773 is a wasteful number, since it uses less digits than its factorization.

78152028825773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157247542987.

The product of its (nonzero) digits is 105369600, while the sum is 65.

The spelling of 78152028825773 in words is "seventy-eight trillion, one hundred fifty-two billion, twenty-eight million, eight hundred twenty-five thousand, seven hundred seventy-three".