8400372772774 has 4 divisors (see below), whose sum is σ = 12600559159164. Its totient is φ = 4200186386386.

The previous prime is 8400372772769. The next prime is 8400372772783. The reversal of 8400372772774 is 4772772730048.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100093193192 + ... + 2100093193195.

It is an arithmetic number, because the mean of its divisors is an integer number (3150139789791).

Almost surely, 2^{8400372772774} is an apocalyptic number.

8400372772774 is a deficient number, since it is larger than the sum of its proper divisors (4200186386390).

8400372772774 is a wasteful number, since it uses less digits than its factorization.

8400372772774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200186386389.

The product of its (nonzero) digits is 25815552, while the sum is 58.

The spelling of 8400372772774 in words is "eight trillion, four hundred billion, three hundred seventy-two million, seven hundred seventy-two thousand, seven hundred seventy-four".