368887770 has 80 divisors (see below), whose sum is σ = 996173640. Its totient is φ = 97946496.

The previous prime is 368887769. The next prime is 368887781. The reversal of 368887770 is 77788863.

It can be written as a sum of positive squares in 4 ways, for example, as 183954969 + 184932801 = 13563^2 + 13599^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 217044 + ... + 218736.

Almost surely, 2^368887770 is an apocalyptic number.

368887770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 368887770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498086820).

368887770 is an abundant number, since it is smaller than the sum of its proper divisors (627285870).

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

368887770 is a wasteful number, since it uses less digits than its factorization.

368887770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 368887770 is about 19206.4512599283. The cubic root of 368887770 is about 717.1853654941.

The spelling of 368887770 in words is "three hundred sixty-eight million, eight hundred eighty-seven thousand, seven hundred seventy".