61885658828697 has 48 divisors (see below), whose sum is σ = 95136310370304. Its totient is φ = 35687912207200.

The previous prime is 61885658828611. The next prime is 61885658828699. The reversal of 61885658828697 is 79682885658816.

It is not a de Polignac number, because 61885658828697 - 2³¹ = 61883511345049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61885658828699) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17809383 + ... + 20998700.

It is an arithmetic number, because the mean of its divisors is an integer number (1982006466048).

Almost surely, 2^{61885658828697} is an apocalyptic number.

It is an amenable number.

61885658828697 is a deficient number, since it is larger than the sum of its proper divisors (33250651541607).

61885658828697 is a wasteful number, since it uses less digits than its factorization.

61885658828697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38808322 (or 38808311 counting only the distinct ones).

The product of its digits is 22295347200, while the sum is 87.

The spelling of 61885658828697 in words is "sixty-one trillion, eight hundred eighty-five billion, six hundred fifty-eight million, eight hundred twenty-eight thousand, six hundred ninety-seven".