83406757772 has 12 divisors (see below), whose sum is σ = 157189658976. Its totient is φ = 38495426640.

The previous prime is 83406757771. The next prime is 83406757823. The reversal of 83406757772 is 27775760438.

It is not an unprimeable number, because it can be changed into a prime (83406757771) 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, 801988004 + ... + 801988107.

It is an arithmetic number, because the mean of its divisors is an integer number (13099138248).

Almost surely, 2^83406757772 is an apocalyptic number.

It is an amenable number.

83406757772 is a deficient number, since it is larger than the sum of its proper divisors (73782901204).

83406757772 is a wasteful number, since it uses less digits than its factorization.

83406757772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603976128 (or 1603976126 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 56.

The spelling of 83406757772 in words is "eighty-three billion, four hundred six million, seven hundred fifty-seven thousand, seven hundred seventy-two".