7854429657197 has 8 divisors (see below), whose sum is σ = 7997292318912. Its totient is φ = 7712320888800.

The previous prime is 7854429657157. The next prime is 7854429657233. The reversal of 7854429657197 is 7917569244587.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7854429657197 - 2³⁶ = 7785710180461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7854429657157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188452304 + ... + 188493977.

It is an arithmetic number, because the mean of its divisors is an integer number (999661539864).

Almost surely, 2^{7854429657197} is an apocalyptic number.

It is an amenable number.

7854429657197 is a deficient number, since it is larger than the sum of its proper divisors (142862661715).

7854429657197 is a wasteful number, since it uses less digits than its factorization.

7854429657197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376946659.

The product of its digits is 1066867200, while the sum is 74.

The spelling of 7854429657197 in words is "seven trillion, eight hundred fifty-four billion, four hundred twenty-nine million, six hundred fifty-seven thousand, one hundred ninety-seven".