61276877025 has 48 divisors (see below), whose sum is σ = 124690602624. Its totient is φ = 25857492480.

The previous prime is 61276877003. The next prime is 61276877033. The reversal of 61276877025 is 52077867216.

It is not a de Polignac number, because 61276877025 - 2⁸ = 61276876769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4482324 + ... + 4495973.

It is an arithmetic number, because the mean of its divisors is an integer number (2597720888).

Almost surely, 2^61276877025 is an apocalyptic number.

61276877025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61276877025 is an abundant number, since it is smaller than the sum of its proper divisors (63413725599).

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

61276877025 is a wasteful number, since it uses less digits than its factorization.

61276877025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8978330 (or 8978325 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 61276877025 in words is "sixty-one billion, two hundred seventy-six million, eight hundred seventy-seven thousand, twenty-five".