116887690 has 16 divisors (see below), whose sum is σ = 217653480. Its totient is φ = 45142720.

The previous prime is 116887657. The next prime is 116887723. The reversal of 116887690 is 96788611.

It is an interprime number because it is at equal distance from previous prime (116887657) and next prime (116887723).

It can be written as a sum of positive squares in 4 ways, for example, as 113571649 + 3316041 = 10657^2 + 1821^2 .

It is a super-2 number, since 2×116887690² = 27325464147072200, 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 116887690.

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, 201241 + ... + 201820.

Almost surely, 2^116887690 is an apocalyptic number.

116887690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116887690 is a deficient number, since it is larger than the sum of its proper divisors (100765790).

116887690 is a wasteful number, since it uses less digits than its factorization.

116887690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403097.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 116887690 is about 10811.4610483505. The cubic root of 116887690 is about 488.9407773400.

The spelling of 116887690 in words is "one hundred sixteen million, eight hundred eighty-seven thousand, six hundred ninety".