84700497 has 32 divisors (see below), whose sum is σ = 133568512. Its totient is φ = 46738944.

The previous prime is 84700493. The next prime is 84700523. The reversal of 84700497 is 79400748.

It is not a de Polignac number, because 84700497 - 2² = 84700493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84700493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87108 + ... + 88074.

It is an arithmetic number, because the mean of its divisors is an integer number (4174016).

Almost surely, 2^84700497 is an apocalyptic number.

It is an amenable number.

84700497 is a deficient number, since it is larger than the sum of its proper divisors (48868015).

84700497 is a wasteful number, since it uses less digits than its factorization.

84700497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 84700497 is about 9203.2872931361. The cubic root of 84700497 is about 439.1659423543.

The spelling of 84700497 in words is "eighty-four million, seven hundred thousand, four hundred ninety-seven".