1026973857 has 64 divisors (see below), whose sum is σ = 1735888896. Its totient is φ = 525692160.

The previous prime is 1026973847. The next prime is 1026973861. The reversal of 1026973857 is 7583796201.

It is not a de Polignac number, because 1026973857 - 2⁴ = 1026973841 is a prime.

It is a super-2 number, since 2×1026973857² = 2109350605922912898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1026973817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1381828 + ... + 1382570.

It is an arithmetic number, because the mean of its divisors is an integer number (27123264).

Almost surely, 2^1026973857 is an apocalyptic number.

It is an amenable number.

1026973857 is a deficient number, since it is larger than the sum of its proper divisors (708915039).

1026973857 is a wasteful number, since it uses less digits than its factorization.

1026973857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 1026973857 is about 32046.4328280076. The cubic root of 1026973857 is about 1008.9116325595.

The spelling of 1026973857 in words is "one billion, twenty-six million, nine hundred seventy-three thousand, eight hundred fifty-seven".