39787084089 has 45 divisors (see below), whose sum is σ = 61186942047. Its totient is φ = 25764753456.

The previous prime is 39787084079. The next prime is 39787084091. The reversal of 39787084089 is 98048078793.

The square root of 39787084089 is 199467.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 35602029225 + 4185054864 = 188685^2 + 64692^2 .

It is not a de Polignac number, because 39787084089 - 2¹³ = 39787075897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39787084039) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 66422212 + ... + 66422810.

Almost surely, 2^39787084089 is an apocalyptic number.

39787084089 is the 199467-th square number.

39787084089 is the 99734-th centered octagonal number.

It is an amenable number.

39787084089 is a deficient number, since it is larger than the sum of its proper divisors (21399857958).

39787084089 is an frugal number, since it uses more digits than its factorization.

39787084089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 39787084089 in words is "thirty-nine billion, seven hundred eighty-seven million, eighty-four thousand, eighty-nine".