84774408351 has 16 divisors (see below), whose sum is σ = 119757427200. Its totient is φ = 53158048128.

The previous prime is 84774408331. The next prime is 84774408353. The reversal of 84774408351 is 15380447748.

It is not a de Polignac number, because 84774408351 - 2⁵ = 84774408319 is a prime.

It is a super-2 number, since 2×84774408351² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 84774408294 and 84774408303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84774408353) 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, 445831 + ... + 606888.

It is an arithmetic number, because the mean of its divisors is an integer number (7484839200).

Almost surely, 2^84774408351 is an apocalyptic number.

84774408351 is a deficient number, since it is larger than the sum of its proper divisors (34983018849).

84774408351 is a wasteful number, since it uses less digits than its factorization.

84774408351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054318.

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 84774408351 in words is "eighty-four billion, seven hundred seventy-four million, four hundred eight thousand, three hundred fifty-one".