93687880 has 96 divisors (see below), whose sum is σ = 249694200. Its totient is φ = 31426560.

The previous prime is 93687877. The next prime is 93687883. The reversal of 93687880 is 8878639.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (93687877) and next prime (93687883).

It can be written as a sum of positive squares in 4 ways, for example, as 44435556 + 49252324 = 6666^2 + 7018^2 .

It is not an unprimeable number, because it can be changed into a prime (93687883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62176 + ... + 63664.

Almost surely, 2^93687880 is an apocalyptic number.

93687880 is the 4840-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93687880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124847100).

93687880 is an abundant number, since it is smaller than the sum of its proper divisors (156006320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93687880 is a wasteful number, since it uses less digits than its factorization.

93687880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 93687880 is about 9679.2499709430. The cubic root of 93687880 is about 454.1797886772.

The spelling of 93687880 in words is "ninety-three million, six hundred eighty-seven thousand, eight hundred eighty".