79250143641 has 8 divisors (see below), whose sum is σ = 105668279520. Its totient is φ = 52832718432.

The previous prime is 79250143597. The next prime is 79250143673. The reversal of 79250143641 is 14634105297.

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

It is not a de Polignac number, because 79250143641 - 2²¹ = 79248046489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79250143593 and 79250143602.

It is not an unprimeable number, because it can be changed into a prime (78250143641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193030 + ... + 442448.

It is an arithmetic number, because the mean of its divisors is an integer number (13208534940).

Almost surely, 2^79250143641 is an apocalyptic number.

It is an amenable number.

79250143641 is a deficient number, since it is larger than the sum of its proper divisors (26418135879).

79250143641 is a wasteful number, since it uses less digits than its factorization.

79250143641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355335.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 79250143641 in words is "seventy-nine billion, two hundred fifty million, one hundred forty-three thousand, six hundred forty-one".