1173700612978 has 32 divisors (see below), whose sum is σ = 1786104432000. Its totient is φ = 578398203264.

The previous prime is 1173700612969. The next prime is 1173700613081. The reversal of 1173700612978 is 8792160073711.

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, 86440926 + ... + 86454502.

It is an arithmetic number, because the mean of its divisors is an integer number (55815763500).

Almost surely, 2^{1173700612978} is an apocalyptic number.

1173700612978 is a deficient number, since it is larger than the sum of its proper divisors (612403819022).

1173700612978 is a wasteful number, since it uses less digits than its factorization.

1173700612978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15954.

The product of its (nonzero) digits is 889056, while the sum is 52.

The spelling of 1173700612978 in words is "one trillion, one hundred seventy-three billion, seven hundred million, six hundred twelve thousand, nine hundred seventy-eight".