61877433051 has 48 divisors (see below), whose sum is σ = 108753398208. Its totient is φ = 33094656000.

The previous prime is 61877433043. The next prime is 61877433077. The reversal of 61877433051 is 15033477816.

It is not a de Polignac number, because 61877433051 - 2³ = 61877433043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61877432988 and 61877433006.

It is not an unprimeable number, because it can be changed into a prime (61877433001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34251 + ... + 353451.

It is an arithmetic number, because the mean of its divisors is an integer number (2265695796).

Almost surely, 2^61877433051 is an apocalyptic number.

61877433051 is a deficient number, since it is larger than the sum of its proper divisors (46875965157).

61877433051 is a wasteful number, since it uses less digits than its factorization.

61877433051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319412 (or 319409 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 61877433051 in words is "sixty-one billion, eight hundred seventy-seven million, four hundred thirty-three thousand, fifty-one".