87798982 has 8 divisors (see below), whose sum is σ = 139445496. Its totient is φ = 41317152.

The previous prime is 87798973. The next prime is 87798983. The reversal of 87798982 is 28989778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87798982² = 15417322480472648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87798983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291128 + ... + 1291195.

It is an arithmetic number, because the mean of its divisors is an integer number (17430687).

Almost surely, 2^87798982 is an apocalyptic number.

87798982 is a deficient number, since it is larger than the sum of its proper divisors (51646514).

87798982 is a wasteful number, since it uses less digits than its factorization.

87798982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582342.

The product of its digits is 4064256, while the sum is 58.

The square root of 87798982 is about 9370.1110985943. Note that the first 3 decimals coincide. The cubic root of 87798982 is about 444.4570780622.

The spelling of 87798982 in words is "eighty-seven million, seven hundred ninety-eight thousand, nine hundred eighty-two".