34887971517 has 32 divisors (see below), whose sum is σ = 53387921664. Its totient is φ = 19851686400.

The previous prime is 34887971501. The next prime is 34887971527. The reversal of 34887971517 is 71517978843.

It is not a de Polignac number, because 34887971517 - 2⁴ = 34887971501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34887971527) 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, 5040343 + ... + 5047259.

It is an arithmetic number, because the mean of its divisors is an integer number (1668372552).

Almost surely, 2^34887971517 is an apocalyptic number.

It is an amenable number.

34887971517 is a deficient number, since it is larger than the sum of its proper divisors (18499950147).

34887971517 is a wasteful number, since it uses less digits than its factorization.

34887971517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909.

The product of its digits is 11854080, while the sum is 60.

The spelling of 34887971517 in words is "thirty-four billion, eight hundred eighty-seven million, nine hundred seventy-one thousand, five hundred seventeen".