87357390 has 64 divisors (see below), whose sum is σ = 224280576. Its totient is φ = 21699072.

The previous prime is 87357379. The next prime is 87357433. The reversal of 87357390 is 9375378.

It is a super-2 number, since 2×87357390² = 15262627175224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51699 + ... + 53361.

It is an arithmetic number, because the mean of its divisors is an integer number (3504384).

Almost surely, 2^87357390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87357390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112140288).

87357390 is an abundant number, since it is smaller than the sum of its proper divisors (136923186).

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

87357390 is a wasteful number, since it uses less digits than its factorization.

87357390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 87357390 is about 9346.5175332848. The cubic root of 87357390 is about 443.7106811687.

The spelling of 87357390 in words is "eighty-seven million, three hundred fifty-seven thousand, three hundred ninety".