61088883390 has 48 divisors (see below), whose sum is σ = 158879728800. Its totient is φ = 16285381056.

The previous prime is 61088883379. The next prime is 61088883503. The reversal of 61088883390 is 9338888016.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196456 + ... + 400964.

It is an arithmetic number, because the mean of its divisors is an integer number (3309994350).

Almost surely, 2^61088883390 is an apocalyptic number.

61088883390 is an abundant number, since it is smaller than the sum of its proper divisors (97790845410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61088883390 is a wasteful number, since it uses less digits than its factorization.

61088883390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207841 (or 207838 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 61088883390 in words is "sixty-one billion, eighty-eight million, eight hundred eighty-three thousand, three hundred ninety".