76543845372 has 48 divisors (see below), whose sum is σ = 198895092480. Its totient is φ = 25457004144.

The previous prime is 76543845251. The next prime is 76543845383. The reversal of 76543845372 is 27354834567.

It is a happy number.

76543845372 is a `hidden beast` number, since 7 + 65 + 43 + 8 + 4 + 537 + 2 = 666.

It is a super-4 number, since 4×76543845372⁴ (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent 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, 752088 + ... + 847775.

It is an arithmetic number, because the mean of its divisors is an integer number (4143647760).

Almost surely, 2^76543845372 is an apocalyptic number.

It is an amenable number.

76543845372 is an abundant number, since it is smaller than the sum of its proper divisors (122351247108).

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

76543845372 is a wasteful number, since it uses less digits than its factorization.

76543845372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600319 (or 1600311 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 76543845372 in words is "seventy-six billion, five hundred forty-three million, eight hundred forty-five thousand, three hundred seventy-two".