61003100977 has 16 divisors (see below), whose sum is σ = 77502702592. Its totient is φ = 46709213760.

The previous prime is 61003100971. The next prime is 61003100987. The reversal of 61003100977 is 77900130016.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61003100977 - 2²⁷ = 60868883249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61003100971) 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, 10809498 + ... + 10815139.

It is an arithmetic number, because the mean of its divisors is an integer number (4843918912).

Almost surely, 2^61003100977 is an apocalyptic number.

It is an amenable number.

61003100977 is a deficient number, since it is larger than the sum of its proper divisors (16499601615).

61003100977 is a wasteful number, since it uses less digits than its factorization.

61003100977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21624688.

The product of its (nonzero) digits is 7938, while the sum is 34.

The spelling of 61003100977 in words is "sixty-one billion, three million, one hundred thousand, nine hundred seventy-seven".