78148408204374 has 16 divisors (see below), whose sum is σ = 156950777986560. Its totient is φ = 25940475805160.

The previous prime is 78148408204369. The next prime is 78148408204403. The reversal of 78148408204374 is 47340280484187.

It is a happy number.

It is a super-2 number, since 2×78148408204374² (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 7 ways as a sum of consecutive naturals, for example, 27248397522 + ... + 27248400389.

It is an arithmetic number, because the mean of its divisors is an integer number (9809423624160).

Almost surely, 2^{78148408204374} is an apocalyptic number.

78148408204374 is an abundant number, since it is smaller than the sum of its proper divisors (78802369782186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78148408204374 is a wasteful number, since it uses less digits than its factorization.

78148408204374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54496798155.

The product of its (nonzero) digits is 38535168, while the sum is 60.

The spelling of 78148408204374 in words is "seventy-eight trillion, one hundred forty-eight billion, four hundred eight million, two hundred four thousand, three hundred seventy-four".