83764470738 has 64 divisors (see below), whose sum is σ = 183718934784. Its totient is φ = 25304832000.

The previous prime is 83764470703. The next prime is 83764470739. The reversal of 83764470738 is 83707446738.

It is not an unprimeable number, because it can be changed into a prime (83764470739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1303278 + ... + 1366038.

It is an arithmetic number, because the mean of its divisors is an integer number (2870608356).

Almost surely, 2^83764470738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83764470738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91859467392).

83764470738 is an abundant number, since it is smaller than the sum of its proper divisors (99954464046).

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

83764470738 is a wasteful number, since it uses less digits than its factorization.

83764470738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63091.

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 83764470738 in words is "eighty-three billion, seven hundred sixty-four million, four hundred seventy thousand, seven hundred thirty-eight".