4671687778572 has 48 divisors (see below), whose sum is σ = 11015597950560. Its totient is φ = 1540809295872.

The previous prime is 4671687778567. The next prime is 4671687778619. The reversal of 4671687778572 is 2758777861764.

It is a junction number, because it is equal to n+sod(n) for n = 4671687778494 and 4671687778503.

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, 4448038 + ... + 5397074.

It is an arithmetic number, because the mean of its divisors is an integer number (229491623970).

Almost surely, 2^{4671687778572} is an apocalyptic number.

It is an amenable number.

4671687778572 is an abundant number, since it is smaller than the sum of its proper divisors (6343910171988).

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

4671687778572 is a wasteful number, since it uses less digits than its factorization.

4671687778572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953370 (or 953368 counting only the distinct ones).

The product of its digits is 1548933120, while the sum is 75.

The spelling of 4671687778572 in words is "four trillion, six hundred seventy-one billion, six hundred eighty-seven million, seven hundred seventy-eight thousand, five hundred seventy-two".