61790877352 has 8 divisors (see below), whose sum is σ = 115857895050. Its totient is φ = 30895438672.

The previous prime is 61790877349. The next prime is 61790877353. The reversal of 61790877352 is 25377809716.

It is a happy number.

61790877352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54472759236 + 7318118116 = 233394^2 + 85546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×61790877352² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61790877293 and 61790877302.

It is not an unprimeable number, because it can be changed into a prime (61790877353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3861929827 + ... + 3861929842.

Almost surely, 2^61790877352 is an apocalyptic number.

It is an amenable number.

61790877352 is a deficient number, since it is larger than the sum of its proper divisors (54067017698).

61790877352 is a wasteful number, since it uses less digits than its factorization.

61790877352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723859675 (or 7723859671 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 61790877352 in words is "sixty-one billion, seven hundred ninety million, eight hundred seventy-seven thousand, three hundred fifty-two".