84059779650463 has 8 divisors (see below), whose sum is σ = 90085216265568. Its totient is φ = 78231898334304.

The previous prime is 84059779650433. The next prime is 84059779650479. The reversal of 84059779650463 is 36405697795048.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84059779650463 is a prime.

It is a super-2 number, since 2×84059779650463² (a number of 29 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 (84059779650433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49388823856 + ... + 49388825557.

It is an arithmetic number, because the mean of its divisors is an integer number (11260652033196).

Almost surely, 2^{84059779650463} is an apocalyptic number.

84059779650463 is a deficient number, since it is larger than the sum of its proper divisors (6025436615105).

84059779650463 is a wasteful number, since it uses less digits than its factorization.

84059779650463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98777649473.

The product of its (nonzero) digits is 1371686400, while the sum is 73.

The spelling of 84059779650463 in words is "eighty-four trillion, fifty-nine billion, seven hundred seventy-nine million, six hundred fifty thousand, four hundred sixty-three".