252757937758 has 4 divisors (see below), whose sum is σ = 379136906640. Its totient is φ = 126378968878.

The previous prime is 252757937699. The next prime is 252757937771. The reversal of 252757937758 is 857739757252.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 252757937693 and 252757937702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63189484438 + ... + 63189484441.

It is an arithmetic number, because the mean of its divisors is an integer number (94784226660).

Almost surely, 2^252757937758 is an apocalyptic number.

252757937758 is a deficient number, since it is larger than the sum of its proper divisors (126378968882).

252757937758 is a wasteful number, since it uses less digits than its factorization.

252757937758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126378968881.

The product of its digits is 259308000, while the sum is 67.

The spelling of 252757937758 in words is "two hundred fifty-two billion, seven hundred fifty-seven million, nine hundred thirty-seven thousand, seven hundred fifty-eight".