83770655607738 has 48 divisors (see below), whose sum is σ = 199008461130336. Its totient is φ = 25256189034720.

The previous prime is 83770655607707. The next prime is 83770655607763.

It is a happy number.

83770655607738 is a `hidden beast` number, since 8 + 3 + 7 + 7 + 0 + 6 + 5 + 5 + 607 + 7 + 3 + 8 = 666.

83770655607738 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×83770655607738² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1073778556 + ... + 1073856567.

It is an arithmetic number, because the mean of its divisors is an integer number (4146009606882).

Almost surely, 2^{83770655607738} is an apocalyptic number.

83770655607738 is an abundant number, since it is smaller than the sum of its proper divisors (115237805522598).

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

83770655607738 is a wasteful number, since it uses less digits than its factorization.

83770655607738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147635339 (or 2147635336 counting only the distinct ones).

The product of its (nonzero) digits is 1244678400, while the sum is 72.

The spelling of 83770655607738 in words is "eighty-three trillion, seven hundred seventy billion, six hundred fifty-five million, six hundred seven thousand, seven hundred thirty-eight".