84877097471 has 4 divisors (see below), whose sum is σ = 84879442752. Its totient is φ = 84874752192.

The previous prime is 84877097453. The next prime is 84877097537. The reversal of 84877097471 is 17479077848.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84877097471 - 2¹⁴ = 84877081087 is a prime.

It is a super-3 number, since 3×84877097471³ (a number of 34 digits) contains 333 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 (84877097411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117490 + ... + 1191023.

It is an arithmetic number, because the mean of its divisors is an integer number (21219860688).

Almost surely, 2^84877097471 is an apocalyptic number.

84877097471 is a deficient number, since it is larger than the sum of its proper divisors (2345281).

84877097471 is a wasteful number, since it uses less digits than its factorization.

84877097471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345280.

The product of its (nonzero) digits is 22127616, while the sum is 62.

The spelling of 84877097471 in words is "eighty-four billion, eight hundred seventy-seven million, ninety-seven thousand, four hundred seventy-one".