127973154674 has 8 divisors (see below), whose sum is σ = 192376131948. Its totient is φ = 63847777360.

The previous prime is 127973154653. The next prime is 127973154677. The reversal of 127973154674 is 476451379721.

It can be written as a sum of positive squares in 2 ways, for example, as 126278597449 + 1694557225 = 355357^2 + 41165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127973154677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69398837 + ... + 69400680.

Almost surely, 2^127973154674 is an apocalyptic number.

127973154674 is a deficient number, since it is larger than the sum of its proper divisors (64402977274).

127973154674 is a wasteful number, since it uses less digits than its factorization.

127973154674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138799980.

The product of its digits is 8890560, while the sum is 56.

The spelling of 127973154674 in words is "one hundred twenty-seven billion, nine hundred seventy-three million, one hundred fifty-four thousand, six hundred seventy-four".