84408377401 has 4 divisors (see below), whose sum is σ = 88850923600. Its totient is φ = 79965831204.

The previous prime is 84408377371. The next prime is 84408377413. The reversal of 84408377401 is 10477380448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84408377401 - 2¹⁹ = 84407853113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84408377461) 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, 2221273071 + ... + 2221273108.

It is an arithmetic number, because the mean of its divisors is an integer number (22212730900).

Almost surely, 2^84408377401 is an apocalyptic number.

It is an amenable number.

84408377401 is a deficient number, since it is larger than the sum of its proper divisors (4442546199).

84408377401 is a wasteful number, since it uses less digits than its factorization.

84408377401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442546198.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 84408377401 in words is "eighty-four billion, four hundred eight million, three hundred seventy-seven thousand, four hundred one".