84158390469 has 16 divisors (see below), whose sum is σ = 118846403712. Its totient is φ = 52789905408.

The previous prime is 84158390461. The next prime is 84158390471. The reversal of 84158390469 is 96409385148.

It is not a de Polignac number, because 84158390469 - 2³ = 84158390461 is a prime.

It is a super-2 number, since 2×84158390469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84158390461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61644 + ... + 414869.

It is an arithmetic number, because the mean of its divisors is an integer number (7427900232).

Almost surely, 2^84158390469 is an apocalyptic number.

It is an amenable number.

84158390469 is a deficient number, since it is larger than the sum of its proper divisors (34688013243).

84158390469 is a wasteful number, since it uses less digits than its factorization.

84158390469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479996.

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 84158390469 in words is "eighty-four billion, one hundred fifty-eight million, three hundred ninety thousand, four hundred sixty-nine".