899775182642 has 32 divisors (see below), whose sum is σ = 1588920520320. Its totient is φ = 374110830720.

The previous prime is 899775182639. The next prime is 899775182653. The reversal of 899775182642 is 246281577998.

It is a super-3 number, since 3×899775182642³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4275893 + ... + 4481384.

It is an arithmetic number, because the mean of its divisors is an integer number (49653766260).

Almost surely, 2^899775182642 is an apocalyptic number.

899775182642 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

899775182642 is a deficient number, since it is larger than the sum of its proper divisors (689145337678).

899775182642 is a wasteful number, since it uses less digits than its factorization.

899775182642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8757506.

The product of its digits is 121927680, while the sum is 68.

The spelling of 899775182642 in words is "eight hundred ninety-nine billion, seven hundred seventy-five million, one hundred eighty-two thousand, six hundred forty-two".