87841798 has 16 divisors (see below), whose sum is σ = 144072144. Its totient is φ = 39836160.

The previous prime is 87841781. The next prime is 87841813. The reversal of 87841798 is 89714878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5686 + ... + 14422.

It is an arithmetic number, because the mean of its divisors is an integer number (9004509).

Almost surely, 2^87841798 is an apocalyptic number.

87841798 is a deficient number, since it is larger than the sum of its proper divisors (56230346).

87841798 is a wasteful number, since it uses less digits than its factorization.

87841798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207.

The product of its digits is 903168, while the sum is 52.

The square root of 87841798 is about 9372.3955315597. The cubic root of 87841798 is about 444.5293142138.

Subtracting 87841798 from its reverse (89714878), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 87841798 in words is "eighty-seven million, eight hundred forty-one thousand, seven hundred ninety-eight".