361086878 has 4 divisors (see below), whose sum is σ = 541630320. Its totient is φ = 180543438.

The previous prime is 361086871. The next prime is 361086883. The reversal of 361086878 is 878680163.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361086871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90271718 + ... + 90271721.

It is an arithmetic number, because the mean of its divisors is an integer number (135407580).

Almost surely, 2^361086878 is an apocalyptic number.

361086878 is a deficient number, since it is larger than the sum of its proper divisors (180543442).

361086878 is a wasteful number, since it uses less digits than its factorization.

361086878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180543441.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 361086878 is about 19002.2861256218. The cubic root of 361086878 is about 712.0938507247.

The spelling of 361086878 in words is "three hundred sixty-one million, eighty-six thousand, eight hundred seventy-eight".