61763400620 has 12 divisors (see below), whose sum is σ = 129703141344. Its totient is φ = 24705360240.

The previous prime is 61763400551. The next prime is 61763400679. The reversal of 61763400620 is 2600436716.

61763400620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61763400620² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544084996 + ... + 1544085035.

It is an arithmetic number, because the mean of its divisors is an integer number (10808595112).

Almost surely, 2^61763400620 is an apocalyptic number.

It is an amenable number.

61763400620 is an abundant number, since it is smaller than the sum of its proper divisors (67939740724).

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

61763400620 is a wasteful number, since it uses less digits than its factorization.

61763400620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088170040 (or 3088170038 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 61763400620 in words is "sixty-one billion, seven hundred sixty-three million, four hundred thousand, six hundred twenty".