61477376306276 has 48 divisors (see below), whose sum is σ = 125335372659840. Its totient is φ = 25841346796800.

The previous prime is 61477376306251. The next prime is 61477376306309. The reversal of 61477376306276 is 67260367377416.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83648075 + ... + 84379826.

It is an arithmetic number, because the mean of its divisors is an integer number (2611153597080).

Almost surely, 2^{61477376306276} is an apocalyptic number.

It is an amenable number.

61477376306276 is an abundant number, since it is smaller than the sum of its proper divisors (63857996353564).

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

61477376306276 is a wasteful number, since it uses less digits than its factorization.

61477376306276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168028164 (or 168028162 counting only the distinct ones).

The product of its (nonzero) digits is 224042112, while the sum is 65.

The spelling of 61477376306276 in words is "sixty-one trillion, four hundred seventy-seven billion, three hundred seventy-six million, three hundred six thousand, two hundred seventy-six".