61987253962 has 8 divisors (see below), whose sum is σ = 93018700800. Its totient is φ = 30981020364.

The previous prime is 61987253959. The next prime is 61987253981. The reversal of 61987253962 is 26935278916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61987253897 and 61987253906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6297162 + ... + 6306997.

It is an arithmetic number, because the mean of its divisors is an integer number (11627337600).

Almost surely, 2^61987253962 is an apocalyptic number.

61987253962 is a deficient number, since it is larger than the sum of its proper divisors (31031446838).

61987253962 is a wasteful number, since it uses less digits than its factorization.

61987253962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606620.

The product of its digits is 9797760, while the sum is 58.

The spelling of 61987253962 in words is "sixty-one billion, nine hundred eighty-seven million, two hundred fifty-three thousand, nine hundred sixty-two".