788481669 has 32 divisors (see below), whose sum is σ = 1105734784. Its totient is φ = 499322880.

The previous prime is 788481637. The next prime is 788481697. The reversal of 788481669 is 966184887.

It is not a de Polignac number, because 788481669 - 2⁵ = 788481637 is a prime.

It is a super-2 number, since 2×788481669² = 1243406684698051122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788481269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762777 + ... + 763809.

It is an arithmetic number, because the mean of its divisors is an integer number (34554212).

Almost surely, 2^788481669 is an apocalyptic number.

It is an amenable number.

788481669 is a deficient number, since it is larger than the sum of its proper divisors (317253115).

788481669 is a wasteful number, since it uses less digits than its factorization.

788481669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its digits is 4644864, while the sum is 57.

The square root of 788481669 is about 28079.9157584206. The cubic root of 788481669 is about 923.8409320732.

The spelling of 788481669 in words is "seven hundred eighty-eight million, four hundred eighty-one thousand, six hundred sixty-nine".