1047856697 has 8 divisors (see below), whose sum is σ = 1072008000. Its totient is φ = 1023918544.

The previous prime is 1047856661. The next prime is 1047856703. The reversal of 1047856697 is 7966587401.

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 1047856697 - 2⁶ = 1047856633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047856627) 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, 43322 + ... + 63027.

It is an arithmetic number, because the mean of its divisors is an integer number (134001000).

Almost surely, 2^1047856697 is an apocalyptic number.

It is an amenable number.

1047856697 is a deficient number, since it is larger than the sum of its proper divisors (24151303).

1047856697 is a wasteful number, since it uses less digits than its factorization.

1047856697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106575.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 1047856697 is about 32370.6147145833. The cubic root of 1047856697 is about 1015.7043157711.

The spelling of 1047856697 in words is "one billion, forty-seven million, eight hundred fifty-six thousand, six hundred ninety-seven".