1232677857 has 16 divisors (see below), whose sum is σ = 1719360000. Its totient is φ = 784527744.

The previous prime is 1232677793. The next prime is 1232677889. The reversal of 1232677857 is 7587762321.

It is not a de Polignac number, because 1232677857 - 2⁶ = 1232677793 is a prime.

It is a super-2 number, since 2×1232677857² = 3038989398276224898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232677057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71857 + ... + 87342.

It is an arithmetic number, because the mean of its divisors is an integer number (107460000).

Almost surely, 2^1232677857 is an apocalyptic number.

It is an amenable number.

1232677857 is a deficient number, since it is larger than the sum of its proper divisors (486682143).

1232677857 is a wasteful number, since it uses less digits than its factorization.

1232677857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159320.

The product of its digits is 987840, while the sum is 48.

The square root of 1232677857 is about 35109.5123435231. The cubic root of 1232677857 is about 1072.2182579959.

The spelling of 1232677857 in words is "one billion, two hundred thirty-two million, six hundred seventy-seven thousand, eight hundred fifty-seven".