61623058007 has 4 divisors (see below), whose sum is σ = 70426352016. Its totient is φ = 52819764000.

The previous prime is 61623058001. The next prime is 61623058019. The reversal of 61623058007 is 70085032616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61623058007 - 2¹⁰ = 61623056983 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 (61623058001) 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 3 ways as a sum of consecutive naturals, for example, 4401646994 + ... + 4401647007.

It is an arithmetic number, because the mean of its divisors is an integer number (17606588004).

Almost surely, 2^61623058007 is an apocalyptic number.

61623058007 is a deficient number, since it is larger than the sum of its proper divisors (8803294009).

61623058007 is an equidigital number, since it uses as much as digits as its factorization.

61623058007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803294008.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 61623058007 in words is "sixty-one billion, six hundred twenty-three million, fifty-eight thousand, seven".