1073397799878 has 32 divisors (see below), whose sum is σ = 2151811461600. Its totient is φ = 356963813376.

The previous prime is 1073397799853. The next prime is 1073397799883. The reversal of 1073397799878 is 8789977933701.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8343828 + ... + 8471496.

It is an arithmetic number, because the mean of its divisors is an integer number (67244108175).

Almost surely, 2^{1073397799878} is an apocalyptic number.

1073397799878 is an abundant number, since it is smaller than the sum of its proper divisors (1078413661722).

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

1073397799878 is a wasteful number, since it uses less digits than its factorization.

1073397799878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130936.

The product of its (nonzero) digits is 1008189504, while the sum is 78.

The spelling of 1073397799878 in words is "one trillion, seventy-three billion, three hundred ninety-seven million, seven hundred ninety-nine thousand, eight hundred seventy-eight".