87261354 has 64 divisors (see below), whose sum is σ = 200880000. Its totient is φ = 28062720.

The previous prime is 87261337. The next prime is 87261409. The reversal of 87261354 is 45316278.

It is a super-2 number, since 2×87261354² = 15229087803826632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194122 + ... + 194570.

It is an arithmetic number, because the mean of its divisors is an integer number (3138750).

Almost surely, 2^87261354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87261354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100440000).

87261354 is an abundant number, since it is smaller than the sum of its proper divisors (113618646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87261354 is a wasteful number, since it uses less digits than its factorization.

87261354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 574 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 87261354 is about 9341.3785920495. The cubic root of 87261354 is about 443.5480243567.

It can be divided in two parts, 872 and 61354, that added together give a palindrome (62226).

The spelling of 87261354 in words is "eighty-seven million, two hundred sixty-one thousand, three hundred fifty-four".