257702266102 has 12 divisors (see below), whose sum is σ = 400342464756. Its totient is φ = 124407989720.

The previous prime is 257702266099. The next prime is 257702266141. The reversal of 257702266102 is 201662207752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76604224 + ... + 76607587.

It is an arithmetic number, because the mean of its divisors is an integer number (33361872063).

Almost surely, 2^257702266102 is an apocalyptic number.

257702266102 is a deficient number, since it is larger than the sum of its proper divisors (142640198654).

257702266102 is a wasteful number, since it uses less digits than its factorization.

257702266102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153211871 (or 153211842 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 257702266102 in words is "two hundred fifty-seven billion, seven hundred two million, two hundred sixty-six thousand, one hundred two".