235307780505 has 48 divisors (see below), whose sum is σ = 470748754944. Its totient is φ = 106504214400.

The previous prime is 235307780483. The next prime is 235307780573. The reversal of 235307780505 is 505087703532.

235307780505 is a `hidden beast` number, since 2 + 35 + 30 + 7 + 7 + 80 + 505 = 666.

It is not a de Polignac number, because 235307780505 - 2⁶ = 235307780441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3666249 + ... + 3729878.

It is an arithmetic number, because the mean of its divisors is an integer number (9807265728).

Almost surely, 2^235307780505 is an apocalyptic number.

It is an amenable number.

235307780505 is an abundant number, since it is smaller than the sum of its proper divisors (235440974439).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235307780505 is a wasteful number, since it uses less digits than its factorization.

235307780505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396246 (or 7396243 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 235307780505 in words is "two hundred thirty-five billion, three hundred seven million, seven hundred eighty thousand, five hundred five".