887303628649 has 4 divisors (see below), whose sum is σ = 939497959764. Its totient is φ = 835109297536.

The previous prime is 887303628599. The next prime is 887303628671. The reversal of 887303628649 is 946826303788.

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

It can be written as a sum of positive squares in 2 ways, for example, as 598673587600 + 288630041049 = 773740^2 + 537243^2 .

It is a cyclic number.

It is not a de Polignac number, because 887303628649 - 2⁷ = 887303628521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887303628689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26097165532 + ... + 26097165565.

It is an arithmetic number, because the mean of its divisors is an integer number (234874489941).

Almost surely, 2^887303628649 is an apocalyptic number.

It is an amenable number.

887303628649 is a deficient number, since it is larger than the sum of its proper divisors (52194331115).

887303628649 is a wasteful number, since it uses less digits than its factorization.

887303628649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52194331114.

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 887303628649 in words is "eight hundred eighty-seven billion, three hundred three million, six hundred twenty-eight thousand, six hundred forty-nine".