253679299977 has 8 divisors (see below), whose sum is σ = 343002997440. Its totient is φ = 166737567920.

The previous prime is 253679299969. The next prime is 253679299987. The reversal of 253679299977 is 779992976352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253679299977 - 2³ = 253679299969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253679299899 and 253679299908.

It is not an unprimeable number, because it can be changed into a prime (253679299927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595491102 + ... + 595491527.

It is an arithmetic number, because the mean of its divisors is an integer number (42875374680).

Almost surely, 2^253679299977 is an apocalyptic number.

It is an amenable number.

253679299977 is a deficient number, since it is larger than the sum of its proper divisors (89323697463).

253679299977 is a wasteful number, since it uses less digits than its factorization.

253679299977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190982703.

The product of its digits is 810152280, while the sum is 75.

The spelling of 253679299977 in words is "two hundred fifty-three billion, six hundred seventy-nine million, two hundred ninety-nine thousand, nine hundred seventy-seven".