7426857040878 has 32 divisors (see below), whose sum is σ = 16211816305920. Its totient is φ = 2249484325760.

The previous prime is 7426857040847. The next prime is 7426857040891. The reversal of 7426857040878 is 8780407586247.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

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, 26821563 + ... + 27097046.

It is an arithmetic number, because the mean of its divisors is an integer number (506619259560).

Almost surely, 2^{7426857040878} is an apocalyptic number.

7426857040878 is an abundant number, since it is smaller than the sum of its proper divisors (8784959265042).

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

7426857040878 is a wasteful number, since it uses less digits than its factorization.

7426857040878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53920712.

The product of its (nonzero) digits is 168591360, while the sum is 66.

The spelling of 7426857040878 in words is "seven trillion, four hundred twenty-six billion, eight hundred fifty-seven million, forty thousand, eight hundred seventy-eight".