84715739397 has 96 divisors (see below), whose sum is σ = 133660800000. Its totient is φ = 51577344000.

The previous prime is 84715739387. The next prime is 84715739411. The reversal of 84715739397 is 79393751748.

84715739397 is a `hidden beast` number, since 8 + 4 + 7 + 157 + 393 + 97 = 666.

It is not a de Polignac number, because 84715739397 - 2¹⁵ = 84715706629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84715739347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67826229 + ... + 67827477.

It is an arithmetic number, because the mean of its divisors is an integer number (1392300000).

Almost surely, 2^84715739397 is an apocalyptic number.

84715739397 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

84715739397 is a deficient number, since it is larger than the sum of its proper divisors (48945060603).

84715739397 is a wasteful number, since it uses less digits than its factorization.

84715739397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1496 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The spelling of 84715739397 in words is "eighty-four billion, seven hundred fifteen million, seven hundred thirty-nine thousand, three hundred ninety-seven".