253086777827 has 16 divisors (see below), whose sum is σ = 285595269120. Its totient is φ = 222526188192.

The previous prime is 253086777803. The next prime is 253086777863. The reversal of 253086777827 is 728777680352.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253086777827 is a prime.

It is a super-2 number, since 2×253086777827² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253086777827.

It is not an unprimeable number, because it can be changed into a prime (253086777127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1699343 + ... + 1842264.

It is an arithmetic number, because the mean of its divisors is an integer number (17849704320).

Almost surely, 2^253086777827 is an apocalyptic number.

253086777827 is a deficient number, since it is larger than the sum of its proper divisors (32508491293).

253086777827 is a wasteful number, since it uses less digits than its factorization.

253086777827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541882.

The product of its (nonzero) digits is 55319040, while the sum is 62.

The spelling of 253086777827 in words is "two hundred fifty-three billion, eighty-six million, seven hundred seventy-seven thousand, eight hundred twenty-seven".