1078167778370 has 64 divisors (see below), whose sum is σ = 1962006296544. Its totient is φ = 426564403200.

The previous prime is 1078167778361. The next prime is 1078167778397. The reversal of 1078167778370 is 738777618701.

It can be written as a sum of positive squares in 16 ways, for example, as 394508353801 + 683659424569 = 628099^2 + 826837^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325433834 + ... + 325437146.

Almost surely, 2^{1078167778370} is an apocalyptic number.

1078167778370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1078167778370 is a deficient number, since it is larger than the sum of its proper divisors (883838518174).

1078167778370 is a wasteful number, since it uses less digits than its factorization.

1078167778370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407.

The product of its (nonzero) digits is 19361664, while the sum is 62.

The spelling of 1078167778370 in words is "one trillion, seventy-eight billion, one hundred sixty-seven million, seven hundred seventy-eight thousand, three hundred seventy".