7978051 has 8 divisors (see below), whose sum is σ = 8235360. Its totient is φ = 7723008.

The previous prime is 7978021. The next prime is 7978063. The reversal of 7978051 is 1508797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7978051 - 2⁷ = 7977923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 7978051.

It is not an unprimeable number, because it can be changed into a prime (7978021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9090 + ... + 9928.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^7978051 is an apocalyptic number.

7978051 is a deficient number, since it is larger than the sum of its proper divisors (257309).

7978051 is a wasteful number, since it uses less digits than its factorization.

7978051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 7978051 is about 2824.5443880385. The cubic root of 7978051 is about 199.8169241339.

The spelling of 7978051 in words is "seven million, nine hundred seventy-eight thousand, fifty-one".