87738190 has 64 divisors (see below), whose sum is σ = 174182400. Its totient is φ = 31689216.

The previous prime is 87738163. The next prime is 87738193. The reversal of 87738190 is 9183778.

It is a super-3 number, since 3×87738190³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87738193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631141 + ... + 631279.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^87738190 is an apocalyptic number.

87738190 is a deficient number, since it is larger than the sum of its proper divisors (86444210).

87738190 is a wasteful number, since it uses less digits than its factorization.

87738190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 87738190 is about 9366.8666052208. The cubic root of 87738190 is about 444.3544737094.

The spelling of 87738190 in words is "eighty-seven million, seven hundred thirty-eight thousand, one hundred ninety".