1087521450879 has 8 divisors (see below), whose sum is σ = 1450039951152. Its totient is φ = 725008625600.

The previous prime is 1087521450871. The next prime is 1087521450887. The reversal of 1087521450879 is 9780541257801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1087521450871) and next prime (1087521450887).

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

It is a cyclic number.

It is not a de Polignac number, because 1087521450879 - 2³ = 1087521450871 is a prime.

It is a super-2 number, since 2×1087521450879² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087521450871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949422 + ... + 1753979.

It is an arithmetic number, because the mean of its divisors is an integer number (181254993894).

Almost surely, 2^{1087521450879} is an apocalyptic number.

1087521450879 is a deficient number, since it is larger than the sum of its proper divisors (362518500273).

1087521450879 is a wasteful number, since it uses less digits than its factorization.

1087521450879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837497.

The product of its (nonzero) digits is 5644800, while the sum is 57.

The spelling of 1087521450879 in words is "one trillion, eighty-seven billion, five hundred twenty-one million, four hundred fifty thousand, eight hundred seventy-nine".