78160428375 has 32 divisors (see below), whose sum is σ = 130319904000. Its totient is φ = 41601924000.

The previous prime is 78160428373. The next prime is 78160428427. The reversal of 78160428375 is 57382406187.

It is not a de Polignac number, because 78160428375 - 2¹ = 78160428373 is a prime.

It is a super-2 number, since 2×78160428375² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78160428373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21721 + ... + 395970.

It is an arithmetic number, because the mean of its divisors is an integer number (4072497000).

Almost surely, 2^78160428375 is an apocalyptic number.

78160428375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

78160428375 is a deficient number, since it is larger than the sum of its proper divisors (52159475625).

78160428375 is a wasteful number, since it uses less digits than its factorization.

78160428375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418208 (or 418198 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 78160428375 in words is "seventy-eight billion, one hundred sixty million, four hundred twenty-eight thousand, three hundred seventy-five".