7874678201 has 6 divisors (see below), whose sum is σ = 8527018590. Its totient is φ = 7268933568.

The previous prime is 7874678173. The next prime is 7874678221. The reversal of 7874678201 is 1028764787.

It can be written as a sum of positive squares in 3 ways, for example, as 622452601 + 7252225600 = 24949^2 + 85160^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7874678201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7874678201.

It is not an unprimeable number, because it can be changed into a prime (7874678221) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 23297696 + ... + 23298033.

It is an arithmetic number, because the mean of its divisors is an integer number (1421169765).

Almost surely, 2^7874678201 is an apocalyptic number.

It is an amenable number.

7874678201 is a deficient number, since it is larger than the sum of its proper divisors (652340389).

7874678201 is a wasteful number, since it uses less digits than its factorization.

7874678201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46595755 (or 46595742 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 50.

The square root of 7874678201 is about 88739.3835960111. The cubic root of 7874678201 is about 1989.5015039678.

The spelling of 7874678201 in words is "seven billion, eight hundred seventy-four million, six hundred seventy-eight thousand, two hundred one".