84690431026 has 16 divisors (see below), whose sum is σ = 127156161600. Its totient is φ = 42305066640.

The previous prime is 84690430999. The next prime is 84690431051. The reversal of 84690431026 is 62013409648.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15320275 + ... + 15325801.

It is an arithmetic number, because the mean of its divisors is an integer number (7947260100).

Almost surely, 2^84690431026 is an apocalyptic number.

84690431026 is a deficient number, since it is larger than the sum of its proper divisors (42465730574).

84690431026 is a wasteful number, since it uses less digits than its factorization.

84690431026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 84690431026 in words is "eighty-four billion, six hundred ninety million, four hundred thirty-one thousand, twenty-six".