1010857897 has 12 divisors (see below), whose sum is σ = 1185162240. Its totient is φ = 859621896.

The previous prime is 1010857891. The next prime is 1010857921. The reversal of 1010857897 is 7987580101.

1010857897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1010857897 - 2⁷ = 1010857769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010857891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74997 + ... + 87442.

It is an arithmetic number, because the mean of its divisors is an integer number (98763520).

Almost surely, 2^1010857897 is an apocalyptic number.

It is an amenable number.

1010857897 is a deficient number, since it is larger than the sum of its proper divisors (174304343).

1010857897 is a wasteful number, since it uses less digits than its factorization.

1010857897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162580 (or 162573 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 1010857897 is about 31793.9915235568. The cubic root of 1010857897 is about 1003.6062781246.

The spelling of 1010857897 in words is "one billion, ten million, eight hundred fifty-seven thousand, eight hundred ninety-seven".