1238873877 has 12 divisors (see below), whose sum is σ = 1789910304. Its totient is φ = 825719400.

The previous prime is 1238873873. The next prime is 1238873899. The reversal of 1238873877 is 7783788321.

It is a happy number.

It is not a de Polignac number, because 1238873877 - 2² = 1238873873 is a prime.

It is a super-2 number, since 2×1238873877² = 3069616966226022258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238873873) 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, 30658 + ... + 58460.

It is an arithmetic number, because the mean of its divisors is an integer number (149159192).

Almost surely, 2^1238873877 is an apocalyptic number.

It is an amenable number.

1238873877 is a deficient number, since it is larger than the sum of its proper divisors (551036427).

1238873877 is a wasteful number, since it uses less digits than its factorization.

1238873877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32760 (or 32757 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 1238873877 is about 35197.6402191965. The cubic root of 1238873877 is about 1074.0117478402.

The spelling of 1238873877 in words is "one billion, two hundred thirty-eight million, eight hundred seventy-three thousand, eight hundred seventy-seven".