359787661 has 4 divisors (see below), whose sum is σ = 359834400. Its totient is φ = 359740924.

The previous prime is 359787641. The next prime is 359787697. The reversal of 359787661 is 166787953.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166787953 = 439 ⋅379927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-359787661 is a prime.

It is a super-2 number, since 2×359787661² = 258894322015701842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 359787599 and 359787608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (359787611) 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, 8791 + ... + 28228.

It is an arithmetic number, because the mean of its divisors is an integer number (89958600).

Almost surely, 2^359787661 is an apocalyptic number.

It is an amenable number.

359787661 is a deficient number, since it is larger than the sum of its proper divisors (46739).

359787661 is an equidigital number, since it uses as much as digits as its factorization.

359787661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46738.

The product of its digits is 1905120, while the sum is 52.

The square root of 359787661 is about 18968.0695116820. The cubic root of 359787661 is about 711.2387691000.

The spelling of 359787661 in words is "three hundred fifty-nine million, seven hundred eighty-seven thousand, six hundred sixty-one".