84749131480 has 32 divisors (see below), whose sum is σ = 205353666000. Its totient is φ = 31291986816.

The previous prime is 84749131429. The next prime is 84749131531. The reversal of 84749131480 is 8413194748.

It is an interprime number because it is at equal distance from previous prime (84749131429) and next prime (84749131531).

It is a super-2 number, since 2×84749131480² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81489030 + ... + 81490069.

Almost surely, 2^84749131480 is an apocalyptic number.

It is an amenable number.

84749131480 is an abundant number, since it is smaller than the sum of its proper divisors (120604534520).

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

84749131480 is a wasteful number, since it uses less digits than its factorization.

84749131480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162979123 (or 162979119 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 84749131480 in words is "eighty-four billion, seven hundred forty-nine million, one hundred thirty-one thousand, four hundred eighty".