62120687638 has 32 divisors (see below), whose sum is σ = 95495500800. Its totient is φ = 30296119776.

The previous prime is 62120687591. The next prime is 62120687647. The reversal of 62120687638 is 83678602126.

It is a junction number, because it is equal to n+sod(n) for n = 62120687591 and 62120687600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24085833 + ... + 24088411.

It is an arithmetic number, because the mean of its divisors is an integer number (2984234400).

Almost surely, 2^62120687638 is an apocalyptic number.

62120687638 is a deficient number, since it is larger than the sum of its proper divisors (33374813162).

62120687638 is a wasteful number, since it uses less digits than its factorization.

62120687638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 62120687638 in words is "sixty-two billion, one hundred twenty million, six hundred eighty-seven thousand, six hundred thirty-eight".