83770074734 has 16 divisors (see below), whose sum is σ = 126324929808. Its totient is φ = 41661829632.

The previous prime is 83770074709. The next prime is 83770074763. The reversal of 83770074734 is 43747007738.

It is a happy number.

It is a congruent number.

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, 3689264 + ... + 3711900.

It is an arithmetic number, because the mean of its divisors is an integer number (7895308113).

Almost surely, 2^83770074734 is an apocalyptic number.

83770074734 is a deficient number, since it is larger than the sum of its proper divisors (42554855074).

83770074734 is a wasteful number, since it uses less digits than its factorization.

83770074734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32419.

The product of its (nonzero) digits is 2765952, while the sum is 50.

The spelling of 83770074734 in words is "eighty-three billion, seven hundred seventy million, seventy-four thousand, seven hundred thirty-four".