623776270427 has 4 divisors (see below), whose sum is σ = 637048106016. Its totient is φ = 610504434840.

The previous prime is 623776270421. The next prime is 623776270459. The reversal of 623776270427 is 724072677326.

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 623776270427 - 2¹² = 623776266331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623776270421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6635917724 + ... + 6635917817.

It is an arithmetic number, because the mean of its divisors is an integer number (159262026504).

Almost surely, 2^623776270427 is an apocalyptic number.

623776270427 is a deficient number, since it is larger than the sum of its proper divisors (13271835589).

623776270427 is a wasteful number, since it uses less digits than its factorization.

623776270427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13271835588.

The product of its (nonzero) digits is 8297856, while the sum is 53.

The spelling of 623776270427 in words is "six hundred twenty-three billion, seven hundred seventy-six million, two hundred seventy thousand, four hundred twenty-seven".