104939787 has 12 divisors (see below), whose sum is σ = 143422520. Its totient is φ = 68250240.

The previous prime is 104939773. The next prime is 104939789. The reversal of 104939787 is 787939401.

It is not a de Polignac number, because 104939787 - 2⁴ = 104939771 is a prime.

It is a super-2 number, since 2×104939787² = 22024717791210738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104939789) 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, 5362 + ... + 15447.

Almost surely, 2^104939787 is an apocalyptic number.

104939787 is a deficient number, since it is larger than the sum of its proper divisors (38482733).

104939787 is an equidigital number, since it uses as much as digits as its factorization.

104939787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20894 (or 20853 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 104939787 is about 10244.0122510665. The cubic root of 104939787 is about 471.6792009444.

The spelling of 104939787 in words is "one hundred four million, nine hundred thirty-nine thousand, seven hundred eighty-seven".