87770743061534 has 64 divisors (see below), whose sum is σ = 147252361995648. Its totient is φ = 38982408192000.

The previous prime is 87770743061437. The next prime is 87770743061537. The reversal of 87770743061534 is 43516034707778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87770743061537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16558634 + ... + 21206834.

It is an arithmetic number, because the mean of its divisors is an integer number (2300818156182).

Almost surely, 2^{87770743061534} is an apocalyptic number.

87770743061534 is a deficient number, since it is larger than the sum of its proper divisors (59481618934114).

87770743061534 is a wasteful number, since it uses less digits than its factorization.

87770743061534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648533.

The product of its (nonzero) digits is 82978560, while the sum is 62.

The spelling of 87770743061534 in words is "eighty-seven trillion, seven hundred seventy billion, seven hundred forty-three million, sixty-one thousand, five hundred thirty-four".