84263752971 has 12 divisors (see below), whose sum is σ = 122004802920. Its totient is φ = 56041761600.

The previous prime is 84263752961. The next prime is 84263753003. The reversal of 84263752971 is 17925736248.

It is a happy number.

84263752971 is a `hidden beast` number, since 8 + 42 + 6 + 3 + 7 + 529 + 71 = 666.

It is not a de Polignac number, because 84263752971 - 2¹⁴ = 84263736587 is a prime.

It is a super-2 number, since 2×84263752971² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84263752921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11168830 + ... + 11176371.

It is an arithmetic number, because the mean of its divisors is an integer number (10167066910).

Almost surely, 2^84263752971 is an apocalyptic number.

84263752971 is a deficient number, since it is larger than the sum of its proper divisors (37741049949).

84263752971 is a wasteful number, since it uses less digits than its factorization.

84263752971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22345626 (or 22345623 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 84263752971 in words is "eighty-four billion, two hundred sixty-three million, seven hundred fifty-two thousand, nine hundred seventy-one".