61380867 has 8 divisors (see below), whose sum is σ = 82877440. Its totient is φ = 40402440.

The previous prime is 61380853. The next prime is 61380881. The reversal of 61380867 is 76808316.

It is an interprime number because it is at equal distance from previous prime (61380853) and next prime (61380881).

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

It is not a de Polignac number, because 61380867 - 2⁸ = 61380611 is a prime.

It is a super-2 number, since 2×61380867² = 7535221667343378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61380367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129259 + ... + 129732.

It is an arithmetic number, because the mean of its divisors is an integer number (10359680).

Almost surely, 2^61380867 is an apocalyptic number.

61380867 is a deficient number, since it is larger than the sum of its proper divisors (21496573).

61380867 is a wasteful number, since it uses less digits than its factorization.

61380867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259073.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 61380867 is about 7834.5942460347. The cubic root of 61380867 is about 394.4672987941.

The spelling of 61380867 in words is "sixty-one million, three hundred eighty thousand, eight hundred sixty-seven".