61987010434 has 8 divisors (see below), whose sum is σ = 92985784848. Its totient is φ = 30991748820.

The previous prime is 61987010429. The next prime is 61987010441. The reversal of 61987010434 is 43401078916.

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

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, 833632 + ... + 904939.

It is an arithmetic number, because the mean of its divisors is an integer number (11623223106).

Almost surely, 2^61987010434 is an apocalyptic number.

61987010434 is a deficient number, since it is larger than the sum of its proper divisors (30998774414).

61987010434 is a wasteful number, since it uses less digits than its factorization.

61987010434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756400.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 61987010434 in words is "sixty-one billion, nine hundred eighty-seven million, ten thousand, four hundred thirty-four".