84351051 has 40 divisors (see below), whose sum is σ = 138462720. Its totient is φ = 50936688.

The previous prime is 84351049. The next prime is 84351073. The reversal of 84351051 is 15015348.

It is not a de Polignac number, because 84351051 - 2¹ = 84351049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (84351451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34206 + ... + 36588.

It is an arithmetic number, because the mean of its divisors is an integer number (3461568).

Almost surely, 2^84351051 is an apocalyptic number.

84351051 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

84351051 is a deficient number, since it is larger than the sum of its proper divisors (54111669).

84351051 is a wasteful number, since it uses less digits than its factorization.

84351051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 84351051 is about 9184.2828244779. The cubic root of 84351051 is about 438.5611591453.

Adding to 84351051 its reverse (15015348), we get a palindrome (99366399).

The spelling of 84351051 in words is "eighty-four million, three hundred fifty-one thousand, fifty-one".