84350017501 has 4 divisors (see below), whose sum is σ = 84353156352. Its totient is φ = 84346878652.

The previous prime is 84350017489. The next prime is 84350017559. The reversal of 84350017501 is 10571005348.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84350017501 - 2²³ = 84341628893 is a prime.

It is a super-2 number, since 2×84350017501² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84350017901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528765 + ... + 1582978.

It is an arithmetic number, because the mean of its divisors is an integer number (21088289088).

Almost surely, 2^84350017501 is an apocalyptic number.

It is an amenable number.

84350017501 is a deficient number, since it is larger than the sum of its proper divisors (3138851).

84350017501 is a wasteful number, since it uses less digits than its factorization.

84350017501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138850.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 84350017501 in words is "eighty-four billion, three hundred fifty million, seventeen thousand, five hundred one".