84029908707 has 32 divisors (see below), whose sum is σ = 126631805760. Its totient is φ = 55057052160.

The previous prime is 84029908691. The next prime is 84029908709. The reversal of 84029908707 is 70780992048.

It is not a de Polignac number, because 84029908707 - 2⁴ = 84029908691 is a prime.

It is a super-2 number, since 2×84029908707² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84029908709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2083243 + ... + 2123195.

It is an arithmetic number, because the mean of its divisors is an integer number (3957243930).

Almost surely, 2^84029908707 is an apocalyptic number.

84029908707 is a deficient number, since it is larger than the sum of its proper divisors (42601897053).

84029908707 is a wasteful number, since it uses less digits than its factorization.

84029908707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41300 (or 41294 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 84029908707 in words is "eighty-four billion, twenty-nine million, nine hundred eight thousand, seven hundred seven".