61077576154 has 12 divisors (see below), whose sum is σ = 106574138154. Its totient is φ = 26176104024.

The previous prime is 61077576151. The next prime is 61077576181. The reversal of 61077576154 is 45167577016.

61077576154 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., 31451249025 + 29626327129 = 177345^2 + 172123^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 61077576098 and 61077576107.

It is not an unprimeable number, because it can be changed into a prime (61077576151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311620189 + ... + 311620384.

Almost surely, 2^61077576154 is an apocalyptic number.

61077576154 is a deficient number, since it is larger than the sum of its proper divisors (45496562000).

61077576154 is a wasteful number, since it uses less digits than its factorization.

61077576154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623240589 (or 623240582 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 61077576154 in words is "sixty-one billion, seventy-seven million, five hundred seventy-six thousand, one hundred fifty-four".