61237967807 has 8 divisors (see below), whose sum is σ = 62896445712. Its totient is φ = 59579668800.

The previous prime is 61237967789. The next prime is 61237967809. The reversal of 61237967807 is 70876973216.

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 61237967807 - 2⁶ = 61237967743 is a prime.

It is a super-2 number, since 2×61237967807² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61237967809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936707 + ... + 999947.

It is an arithmetic number, because the mean of its divisors is an integer number (7862055714).

Almost surely, 2^61237967807 is an apocalyptic number.

61237967807 is a deficient number, since it is larger than the sum of its proper divisors (1658477905).

61237967807 is a wasteful number, since it uses less digits than its factorization.

61237967807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89449.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 61237967807 in words is "sixty-one billion, two hundred thirty-seven million, nine hundred sixty-seven thousand, eight hundred seven".