947146677078 has 48 divisors (see below), whose sum is σ = 2204043514560. Its totient is φ = 270554662224.

The previous prime is 947146677067. The next prime is 947146677079. The reversal of 947146677078 is 870776641749.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947146677079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018113 + ... + 1711971.

It is an arithmetic number, because the mean of its divisors is an integer number (45917573220).

Almost surely, 2^947146677078 is an apocalyptic number.

947146677078 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

947146677078 is an abundant number, since it is smaller than the sum of its proper divisors (1256896837482).

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

947146677078 is a wasteful number, since it uses less digits than its factorization.

947146677078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698521 (or 698514 counting only the distinct ones).

The product of its (nonzero) digits is 99574272, while the sum is 66.

The spelling of 947146677078 in words is "nine hundred forty-seven billion, one hundred forty-six million, six hundred seventy-seven thousand, seventy-eight".