61847874852 has 48 divisors (see below), whose sum is σ = 152816778240. Its totient is φ = 19413944352.

The previous prime is 61847874839. The next prime is 61847874883. The reversal of 61847874852 is 25847874816.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774088 + ... + 850239.

It is an arithmetic number, because the mean of its divisors is an integer number (3183682880).

Almost surely, 2^61847874852 is an apocalyptic number.

It is an amenable number.

61847874852 is an abundant number, since it is smaller than the sum of its proper divisors (90968903388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61847874852 is a wasteful number, since it uses less digits than its factorization.

61847874852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624520 (or 1624518 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 60.

The spelling of 61847874852 in words is "sixty-one billion, eight hundred forty-seven million, eight hundred seventy-four thousand, eight hundred fifty-two".