1038117657 has 4 divisors (see below), whose sum is σ = 1384156880. Its totient is φ = 692078436.

The previous prime is 1038117607. The next prime is 1038117671. The reversal of 1038117657 is 7567118301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1038117657 - 2⁶ = 1038117593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1038117607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173019607 + ... + 173019612.

It is an arithmetic number, because the mean of its divisors is an integer number (346039220).

Almost surely, 2^1038117657 is an apocalyptic number.

It is an amenable number.

1038117657 is a deficient number, since it is larger than the sum of its proper divisors (346039223).

1038117657 is an equidigital number, since it uses as much as digits as its factorization.

1038117657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346039222.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 1038117657 is about 32219.8332863471. The cubic root of 1038117657 is about 1012.5477803393.

The spelling of 1038117657 in words is "one billion, thirty-eight million, one hundred seventeen thousand, six hundred fifty-seven".