83477628378 has 32 divisors (see below), whose sum is σ = 185515444800. Its totient is φ = 27824435568.

The previous prime is 83477628341. The next prime is 83477628401. The reversal of 83477628378 is 87382677438.

83477628378 is a `hidden beast` number, since 8 + 347 + 7 + 6 + 283 + 7 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735213 + ... + 1782671.

It is an arithmetic number, because the mean of its divisors is an integer number (5797357650).

Almost surely, 2^83477628378 is an apocalyptic number.

83477628378 is an abundant number, since it is smaller than the sum of its proper divisors (102037816422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83477628378 is a wasteful number, since it uses less digits than its factorization.

83477628378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80043 (or 80037 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 83477628378 in words is "eighty-three billion, four hundred seventy-seven million, six hundred twenty-eight thousand, three hundred seventy-eight".