61377077316 has 24 divisors (see below), whose sum is σ = 143217686080. Its totient is φ = 20458382112.

The previous prime is 61377077309. The next prime is 61377077323.

61377077316 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (61377077309) and next prime (61377077323).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464505 + ... + 581823.

Almost surely, 2^61377077316 is an apocalyptic number.

It is an amenable number.

61377077316 is an abundant number, since it is smaller than the sum of its proper divisors (81840608764).

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

61377077316 is a wasteful number, since it uses less digits than its factorization.

61377077316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160923 (or 160921 counting only the distinct ones).

The product of its (nonzero) digits is 777924, while the sum is 48.

The spelling of 61377077316 in words is "sixty-one billion, three hundred seventy-seven million, seventy-seven thousand, three hundred sixteen".