987225514453 has 4 divisors (see below), whose sum is σ = 987231574368. Its totient is φ = 987219454540.

The previous prime is 987225514433. The next prime is 987225514489. The reversal of 987225514453 is 354415522789.

It is a happy number.

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 987225514453 - 2⁹ = 987225513941 is a prime.

It is a super-2 number, since 2×987225514453² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 987225514394 and 987225514403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987225514423) 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, 2778643 + ... + 3113728.

It is an arithmetic number, because the mean of its divisors is an integer number (246807893592).

Almost surely, 2^987225514453 is an apocalyptic number.

It is an amenable number.

987225514453 is a deficient number, since it is larger than the sum of its proper divisors (6059915).

987225514453 is a wasteful number, since it uses less digits than its factorization.

987225514453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059914.

The product of its digits is 12096000, while the sum is 55.

The spelling of 987225514453 in words is "nine hundred eighty-seven billion, two hundred twenty-five million, five hundred fourteen thousand, four hundred fifty-three".