61527388047 has 8 divisors (see below), whose sum is σ = 82063666944. Its totient is φ = 41004683928.

The previous prime is 61527388037. The next prime is 61527388051. The reversal of 61527388047 is 74088372516.

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

It is not a de Polignac number, because 61527388047 - 2²⁴ = 61510610831 is a prime.

It is a super-2 number, since 2×61527388047² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61527388007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3383113 + ... + 3401250.

It is an arithmetic number, because the mean of its divisors is an integer number (10257958368).

Almost surely, 2^61527388047 is an apocalyptic number.

61527388047 is a deficient number, since it is larger than the sum of its proper divisors (20536278897).

61527388047 is a wasteful number, since it uses less digits than its factorization.

61527388047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787389.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 61527388047 in words is "sixty-one billion, five hundred twenty-seven million, three hundred eighty-eight thousand, forty-seven".