1173478709879 has 32 divisors (see below), whose sum is σ = 1405942272000. Its totient is φ = 957632062464.

The previous prime is 1173478709867. The next prime is 1173478709891. The reversal of 1173478709879 is 9789078743711.

It is an interprime number because it is at equal distance from previous prime (1173478709867) and next prime (1173478709891).

It is not a de Polignac number, because 1173478709879 - 2¹⁶ = 1173478644343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173478703879) 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, 100385867 + ... + 100397555.

It is an arithmetic number, because the mean of its divisors is an integer number (43935696000).

Almost surely, 2^{1173478709879} is an apocalyptic number.

1173478709879 is a deficient number, since it is larger than the sum of its proper divisors (232463562121).

1173478709879 is a wasteful number, since it uses less digits than its factorization.

1173478709879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14567.

The product of its (nonzero) digits is 149361408, while the sum is 71.

The spelling of 1173478709879 in words is "one trillion, one hundred seventy-three billion, four hundred seventy-eight million, seven hundred nine thousand, eight hundred seventy-nine".