99772868270 has 8 divisors (see below), whose sum is σ = 179591162904. Its totient is φ = 39909147304.

The previous prime is 99772868243. The next prime is 99772868323. The reversal of 99772868270 is 7286827799.

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

It is a junction number, because it is equal to n+sod(n) for n = 99772868197 and 99772868206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4988643404 + ... + 4988643423.

It is an arithmetic number, because the mean of its divisors is an integer number (22448895363).

Almost surely, 2^99772868270 is an apocalyptic number.

99772868270 is a deficient number, since it is larger than the sum of its proper divisors (79818294634).

99772868270 is a wasteful number, since it uses less digits than its factorization.

99772868270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977286834.

The product of its (nonzero) digits is 42674688, while the sum is 65.

The spelling of 99772868270 in words is "ninety-nine billion, seven hundred seventy-two million, eight hundred sixty-eight thousand, two hundred seventy".