61878322 has 8 divisors (see below), whose sum is σ = 101255472. Its totient is φ = 28126500.

The previous prime is 61878287. The next prime is 61878329. The reversal of 61878322 is 22387816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61878329) 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, 1406304 + ... + 1406347.

It is an arithmetic number, because the mean of its divisors is an integer number (12656934).

Almost surely, 2^61878322 is an apocalyptic number.

61878322 is a deficient number, since it is larger than the sum of its proper divisors (39377150).

61878322 is a wasteful number, since it uses less digits than its factorization.

61878322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812664.

The product of its digits is 32256, while the sum is 37.

The square root of 61878322 is about 7866.2775186234. The cubic root of 61878322 is about 395.5300729433.

The spelling of 61878322 in words is "sixty-one million, eight hundred seventy-eight thousand, three hundred twenty-two".