987772868353 has 4 divisors (see below), whose sum is σ = 987775570480. Its totient is φ = 987770166228.

The previous prime is 987772868351. The next prime is 987772868389. The reversal of 987772868353 is 353868277789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 987772868353 - 2¹ = 987772868351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987772868351) 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, 697275 + ... + 1568992.

It is an arithmetic number, because the mean of its divisors is an integer number (246943892620).

Almost surely, 2^987772868353 is an apocalyptic number.

It is an amenable number.

987772868353 is a deficient number, since it is larger than the sum of its proper divisors (2702127).

987772868353 is a wasteful number, since it uses less digits than its factorization.

987772868353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702126.

The product of its digits is 853493760, while the sum is 73.

The spelling of 987772868353 in words is "nine hundred eighty-seven billion, seven hundred seventy-two million, eight hundred sixty-eight thousand, three hundred fifty-three".