61884493874 has 16 divisors (see below), whose sum is σ = 106114541568. Its totient is φ = 26515216512.

The previous prime is 61884493849. The next prime is 61884493883. The reversal of 61884493874 is 47839448816.

It is a super-2 number, since 2×61884493874² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501599 + ... + 612674.

It is an arithmetic number, because the mean of its divisors is an integer number (6632158848).

Almost surely, 2^61884493874 is an apocalyptic number.

61884493874 is a deficient number, since it is larger than the sum of its proper divisors (44230047694).

61884493874 is a wasteful number, since it uses less digits than its factorization.

61884493874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118249.

The product of its digits is 37158912, while the sum is 62.

The spelling of 61884493874 in words is "sixty-one billion, eight hundred eighty-four million, four hundred ninety-three thousand, eight hundred seventy-four".