61341763278 has 32 divisors (see below), whose sum is σ = 131477538816. Its totient is φ = 19029640608.

The previous prime is 61341763261. The next prime is 61341763279. The reversal of 61341763278 is 87236714316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61341763279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6001726 + ... + 6011937.

It is an arithmetic number, because the mean of its divisors is an integer number (4108673088).

Almost surely, 2^61341763278 is an apocalyptic number.

61341763278 is an abundant number, since it is smaller than the sum of its proper divisors (70135775538).

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

61341763278 is a wasteful number, since it uses less digits than its factorization.

61341763278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013728.

The product of its digits is 1016064, while the sum is 48.

The spelling of 61341763278 in words is "sixty-one billion, three hundred forty-one million, seven hundred sixty-three thousand, two hundred seventy-eight".