362778061 has 4 divisors (see below), whose sum is σ = 364619772. Its totient is φ = 360936352.

The previous prime is 362778029. The next prime is 362778067. The reversal of 362778061 is 160877263.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 360620100 + 2157961 = 18990^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 362778061 - 2⁵ = 362778029 is a prime.

It is a super-3 number, since 3×362778061³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (362778067) 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, 920560 + ... + 920953.

It is an arithmetic number, because the mean of its divisors is an integer number (91154943).

Almost surely, 2^362778061 is an apocalyptic number.

It is an amenable number.

362778061 is a deficient number, since it is larger than the sum of its proper divisors (1841711).

362778061 is a wasteful number, since it uses less digits than its factorization.

362778061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841710.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 362778061 is about 19046.7336044793. The cubic root of 362778061 is about 713.2038382330.

The spelling of 362778061 in words is "three hundred sixty-two million, seven hundred seventy-eight thousand, sixty-one".