62991687423 has 32 divisors (see below), whose sum is σ = 96643943424. Its totient is φ = 35749239552.

The previous prime is 62991687403. The next prime is 62991687469. The reversal of 62991687423 is 32478619926.

It is not a de Polignac number, because 62991687423 - 2²¹ = 62989590271 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62991687403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11625811 + ... + 11631227.

It is an arithmetic number, because the mean of its divisors is an integer number (3020123232).

Almost surely, 2^62991687423 is an apocalyptic number.

62991687423 is a deficient number, since it is larger than the sum of its proper divisors (33652256001).

62991687423 is a wasteful number, since it uses less digits than its factorization.

62991687423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111.

The product of its digits is 7838208, while the sum is 57.

The spelling of 62991687423 in words is "sixty-two billion, nine hundred ninety-one million, six hundred eighty-seven thousand, four hundred twenty-three".