61988327 has 4 divisors (see below), whose sum is σ = 63429960. Its totient is φ = 60546696.

The previous prime is 61988299. The next prime is 61988359. The reversal of 61988327 is 72388916.

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

It is a cyclic number.

It is not a de Polignac number, because 61988327 - 2⁶ = 61988263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61988027) 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, 720752 + ... + 720837.

It is an arithmetic number, because the mean of its divisors is an integer number (15857490).

Almost surely, 2^61988327 is an apocalyptic number.

61988327 is a deficient number, since it is larger than the sum of its proper divisors (1441633).

61988327 is a wasteful number, since it uses less digits than its factorization.

61988327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441632.

The product of its digits is 145152, while the sum is 44.

The square root of 61988327 is about 7873.2666028784. The cubic root of 61988327 is about 395.7643204473.

The spelling of 61988327 in words is "sixty-one million, nine hundred eighty-eight thousand, three hundred twenty-seven".