9880419478 has 4 divisors (see below), whose sum is σ = 14820629220. Its totient is φ = 4940209738.

The previous prime is 9880419473. The next prime is 9880419487. The reversal of 9880419478 is 8749140889.

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

It is a super-2 number, since 2×9880419478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9880419473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2470104868 + ... + 2470104871.

It is an arithmetic number, because the mean of its divisors is an integer number (3705157305).

Almost surely, 2^9880419478 is an apocalyptic number.

9880419478 is a deficient number, since it is larger than the sum of its proper divisors (4940209742).

9880419478 is a wasteful number, since it uses less digits than its factorization.

9880419478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940209741.

The product of its (nonzero) digits is 4644864, while the sum is 58.

The square root of 9880419478 is about 99400.2991846604. The cubic root of 9880419478 is about 2145.8126162570.

The spelling of 9880419478 in words is "nine billion, eight hundred eighty million, four hundred nineteen thousand, four hundred seventy-eight".