235880786645 has 24 divisors (see below), whose sum is σ = 329542188984. Its totient is φ = 161613277056.

The previous prime is 235880786629. The next prime is 235880786657. The reversal of 235880786645 is 546687088532.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1786414756 + 234094371889 = 42266^2 + 483833^2 .

It is not a de Polignac number, because 235880786645 - 2⁴ = 235880786629 is a prime.

It is a super-3 number, since 3×235880786645³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99674 + ... + 694043.

It is an arithmetic number, because the mean of its divisors is an integer number (13730924541).

Almost surely, 2^235880786645 is an apocalyptic number.

It is an amenable number.

235880786645 is a deficient number, since it is larger than the sum of its proper divisors (93661402339).

235880786645 is a wasteful number, since it uses less digits than its factorization.

235880786645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794949 (or 794942 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 235880786645 in words is "two hundred thirty-five billion, eight hundred eighty million, seven hundred eighty-six thousand, six hundred forty-five".