80670929742 has 96 divisors (see below), whose sum is σ = 198397836000. Its totient is φ = 23513607936.

The previous prime is 80670929737. The next prime is 80670929747. The reversal of 80670929742 is 24792907608.

It is an interprime number because it is at equal distance from previous prime (80670929737) and next prime (80670929747).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80670929747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247509 + ... + 471807.

It is an arithmetic number, because the mean of its divisors is an integer number (2066644125).

Almost surely, 2^80670929742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80670929742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99198918000).

80670929742 is an abundant number, since it is smaller than the sum of its proper divisors (117726906258).

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

80670929742 is a wasteful number, since it uses less digits than its factorization.

80670929742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224402 (or 224399 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 80670929742 in words is "eighty billion, six hundred seventy million, nine hundred twenty-nine thousand, seven hundred forty-two".