7978745094 has 32 divisors (see below), whose sum is σ = 16697923584. Its totient is φ = 2538527040.

The previous prime is 7978745087. The next prime is 7978745101. The reversal of 7978745094 is 4905478797.

It is an interprime number because it is at equal distance from previous prime (7978745087) and next prime (7978745101).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280234 + ... + 307389.

It is an arithmetic number, because the mean of its divisors is an integer number (521810112).

Almost surely, 2^7978745094 is an apocalyptic number.

7978745094 is an abundant number, since it is smaller than the sum of its proper divisors (8719178490).

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

7978745094 is a wasteful number, since it uses less digits than its factorization.

7978745094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587732.

The product of its (nonzero) digits is 17781120, while the sum is 60.

The square root of 7978745094 is about 89323.8215371465. The cubic root of 7978745094 is about 1998.2271868644.

The spelling of 7978745094 in words is "seven billion, nine hundred seventy-eight million, seven hundred forty-five thousand, ninety-four".