61026201887 has 8 divisors (see below), whose sum is σ = 69818671776. Its totient is φ = 52252342272.

The previous prime is 61026201857. The next prime is 61026201889. The reversal of 61026201887 is 78810262016.

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

It is a cyclic number.

It is not a de Polignac number, because 61026201887 - 2³⁰ = 59952460063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61026201889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4645538 + ... + 4658655.

It is an arithmetic number, because the mean of its divisors is an integer number (8727333972).

Almost surely, 2^61026201887 is an apocalyptic number.

61026201887 is a deficient number, since it is larger than the sum of its proper divisors (8792469889).

61026201887 is an equidigital number, since it uses as much as digits as its factorization.

61026201887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9305137.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 61026201887 in words is "sixty-one billion, twenty-six million, two hundred one thousand, eight hundred eighty-seven".