70215116705623 has 8 divisors (see below), whose sum is σ = 71481120636960. Its totient is φ = 68956808847360.

The previous prime is 70215116705621. The next prime is 70215116705651. The reversal of 70215116705623 is 32650761151207.

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 70215116705623 - 2¹ = 70215116705621 is a prime.

It is a super-2 number, since 2×70215116705623² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70215116705621) 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, 1923999858 + ... + 1924036351.

It is an arithmetic number, because the mean of its divisors is an integer number (8935140079620).

Almost surely, 2^{70215116705623} is an apocalyptic number.

70215116705623 is a deficient number, since it is larger than the sum of its proper divisors (1266003931337).

70215116705623 is a wasteful number, since it uses less digits than its factorization.

70215116705623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848036537.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 70215116705623 in words is "seventy trillion, two hundred fifteen billion, one hundred sixteen million, seven hundred five thousand, six hundred twenty-three".