2879247621 has 8 divisors (see below), whose sum is σ = 3928276000. Its totient is φ = 1874858832.

The previous prime is 2879247599. The next prime is 2879247643. The reversal of 2879247621 is 1267429782.

It is an interprime number because it is at equal distance from previous prime (2879247599) and next prime (2879247643).

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

It is not a de Polignac number, because 2879247621 - 2⁷ = 2879247493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2879247671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11159746 + ... + 11160003.

It is an arithmetic number, because the mean of its divisors is an integer number (491034500).

Almost surely, 2^2879247621 is an apocalyptic number.

It is an amenable number.

2879247621 is a deficient number, since it is larger than the sum of its proper divisors (1049028379).

2879247621 is a wasteful number, since it uses less digits than its factorization.

2879247621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22319795.

The product of its digits is 677376, while the sum is 48.

The square root of 2879247621 is about 53658.6211246618. The cubic root of 2879247621 is about 1422.6334160136.

The spelling of 2879247621 in words is "two billion, eight hundred seventy-nine million, two hundred forty-seven thousand, six hundred twenty-one".