87693850 has 12 divisors (see below), whose sum is σ = 163110654. Its totient is φ = 35077520.

The previous prime is 87693847. The next prime is 87693857. The reversal of 87693850 is 5839678.

It can be written as a sum of positive squares in 3 ways, for example, as 83777409 + 3916441 = 9153^2 + 1979^2 .

It is a super-2 number, since 2×87693850² = 15380422655645000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87693850.

It is not an unprimeable number, because it can be changed into a prime (87693857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 876889 + ... + 876988.

Almost surely, 2^87693850 is an apocalyptic number.

87693850 is a deficient number, since it is larger than the sum of its proper divisors (75416804).

87693850 is a wasteful number, since it uses less digits than its factorization.

87693850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753889 (or 1753884 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 87693850 is about 9364.4994527204. The cubic root of 87693850 is about 444.2796070433.

The spelling of 87693850 in words is "eighty-seven million, six hundred ninety-three thousand, eight hundred fifty".