78180525362378 has 8 divisors (see below), whose sum is σ = 117352282688640. Its totient is φ = 39063097799500.

The previous prime is 78180525362341. The next prime is 78180525362393. The reversal of 78180525362378 is 87326352508187.

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

It is a super-2 number, since 2×78180525362378² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13582437248 + ... + 13582443003.

It is an arithmetic number, because the mean of its divisors is an integer number (14669035336080).

Almost surely, 2^{78180525362378} is an apocalyptic number.

78180525362378 is a deficient number, since it is larger than the sum of its proper divisors (39171757326262).

78180525362378 is a wasteful number, since it uses less digits than its factorization.

78180525362378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27164881692.

The product of its (nonzero) digits is 135475200, while the sum is 65.

The spelling of 78180525362378 in words is "seventy-eight trillion, one hundred eighty billion, five hundred twenty-five million, three hundred sixty-two thousand, three hundred seventy-eight".